Home / 68,001.20-93,839.79-37,785.74

Finding the Fourth Proportional to 68,001.20, 93,839.79 and 37,785.74

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Solution

The fourth proportional to 68,001.20, 93,839.79 and 37,785.74 is: 52,143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,001.20 : 93,839.79 = 37,785.74 : x
  2. Step 2: Convert to fraction form
    68,001.20/93,839.79 = 37,785.74/x
  3. Step 3: Cross multiply
    68,001.20x = 93,839.79 × 37,785.74
  4. Step 4: Simplify right side
    68,001.20x = 3,545,805,437.40
  5. Step 5: Solve for x
    x = 3,545,805,437.40/68,001.20
  6. Step 6: Final answer
    x = 52,143.28

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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.