Home / 48,619.38-72,929.07-15,787.38

Finding the Fourth Proportional to 48,619.38, 72,929.07 and 15,787.38

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Solution

The fourth proportional to 48,619.38, 72,929.07 and 15,787.38 is: 23,681.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,619.38 : 72,929.07 = 15,787.38 : x
  2. Step 2: Convert to fraction form
    48,619.38/72,929.07 = 15,787.38/x
  3. Step 3: Cross multiply
    48,619.38x = 72,929.07 × 15,787.38
  4. Step 4: Simplify right side
    48,619.38x = 1,151,358,941.14
  5. Step 5: Solve for x
    x = 1,151,358,941.14/48,619.38
  6. Step 6: Final answer
    x = 23,681.07

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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.