Home / 67,918.28-93,727.38-38,110.28

Finding the Fourth Proportional to 67,918.28, 93,727.38 and 38,110.28

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Solution

The fourth proportional to 67,918.28, 93,727.38 and 38,110.28 is: 52,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.28 : 93,727.38 = 38,110.28 : x
  2. Step 2: Convert to fraction form
    67,918.28/93,727.38 = 38,110.28/x
  3. Step 3: Cross multiply
    67,918.28x = 93,727.38 × 38,110.28
  4. Step 4: Simplify right side
    67,918.28x = 3,571,976,695.47
  5. Step 5: Solve for x
    x = 3,571,976,695.47/67,918.28
  6. Step 6: Final answer
    x = 52,592.27

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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.