Home / 70,027.49-96,636.30-38,196.65

Finding the Fourth Proportional to 70,027.49, 96,636.30 and 38,196.65

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Solution

The fourth proportional to 70,027.49, 96,636.30 and 38,196.65 is: 52,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.49 : 96,636.30 = 38,196.65 : x
  2. Step 2: Convert to fraction form
    70,027.49/96,636.30 = 38,196.65/x
  3. Step 3: Cross multiply
    70,027.49x = 96,636.30 × 38,196.65
  4. Step 4: Simplify right side
    70,027.49x = 3,691,182,928.40
  5. Step 5: Solve for x
    x = 3,691,182,928.40/70,027.49
  6. Step 6: Final answer
    x = 52,710.48

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.