Home / 59,972.79-82,787.09-40,915.47

Finding the Fourth Proportional to 59,972.79, 82,787.09 and 40,915.47

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Solution

The fourth proportional to 59,972.79, 82,787.09 and 40,915.47 is: 56,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,972.79 : 82,787.09 = 40,915.47 : x
  2. Step 2: Convert to fraction form
    59,972.79/82,787.09 = 40,915.47/x
  3. Step 3: Cross multiply
    59,972.79x = 82,787.09 × 40,915.47
  4. Step 4: Simplify right side
    59,972.79x = 3,387,272,697.28
  5. Step 5: Solve for x
    x = 3,387,272,697.28/59,972.79
  6. Step 6: Final answer
    x = 56,480.16

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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.