Home / 49,972.64-74,969.76-14,915.12

Finding the Fourth Proportional to 49,972.64, 74,969.76 and 14,915.12

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Solution

The fourth proportional to 49,972.64, 74,969.76 and 14,915.12 is: 22,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,972.64 : 74,969.76 = 14,915.12 : x
  2. Step 2: Convert to fraction form
    49,972.64/74,969.76 = 14,915.12/x
  3. Step 3: Cross multiply
    49,972.64x = 74,969.76 × 14,915.12
  4. Step 4: Simplify right side
    49,972.64x = 1,118,182,966.77
  5. Step 5: Solve for x
    x = 1,118,182,966.77/49,972.64
  6. Step 6: Final answer
    x = 22,375.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.