Home / 70,499.20-97,285.44-38,667.52

Finding the Fourth Proportional to 70,499.20, 97,285.44 and 38,667.52

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Solution

The fourth proportional to 70,499.20, 97,285.44 and 38,667.52 is: 53,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,499.20 : 97,285.44 = 38,667.52 : x
  2. Step 2: Convert to fraction form
    70,499.20/97,285.44 = 38,667.52/x
  3. Step 3: Cross multiply
    70,499.20x = 97,285.44 × 38,667.52
  4. Step 4: Simplify right side
    70,499.20x = 3,761,786,696.91
  5. Step 5: Solve for x
    x = 3,761,786,696.91/70,499.20
  6. Step 6: Final answer
    x = 53,359.28

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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.