Home / 70,027.81-96,638.36-38,196.70

Finding the Fourth Proportional to 70,027.81, 96,638.36 and 38,196.70

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Solution

The fourth proportional to 70,027.81, 96,638.36 and 38,196.70 is: 52,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,027.81 : 96,638.36 = 38,196.70 : x
  2. Step 2: Convert to fraction form
    70,027.81/96,638.36 = 38,196.70/x
  3. Step 3: Cross multiply
    70,027.81x = 96,638.36 × 38,196.70
  4. Step 4: Simplify right side
    70,027.81x = 3,691,266,012.83
  5. Step 5: Solve for x
    x = 3,691,266,012.83/70,027.81
  6. Step 6: Final answer
    x = 52,711.43

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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.