Home / 70,287.13-96,996.18-38,456.16

Finding the Fourth Proportional to 70,287.13, 96,996.18 and 38,456.16

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Solution

The fourth proportional to 70,287.13, 96,996.18 and 38,456.16 is: 53,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,287.13 : 96,996.18 = 38,456.16 : x
  2. Step 2: Convert to fraction form
    70,287.13/96,996.18 = 38,456.16/x
  3. Step 3: Cross multiply
    70,287.13x = 96,996.18 × 38,456.16
  4. Step 4: Simplify right side
    70,287.13x = 3,730,100,617.47
  5. Step 5: Solve for x
    x = 3,730,100,617.47/70,287.13
  6. Step 6: Final answer
    x = 53,069.47

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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.