Home / 95,109.12-142,505.28-61,787.52

Finding the Fourth Proportional to 95,109.12, 142,505.28 and 61,787.52

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Solution

The fourth proportional to 95,109.12, 142,505.28 and 61,787.52 is: 92,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,109.12 : 142,505.28 = 61,787.52 : x
  2. Step 2: Convert to fraction form
    95,109.12/142,505.28 = 61,787.52/x
  3. Step 3: Cross multiply
    95,109.12x = 142,505.28 × 61,787.52
  4. Step 4: Simplify right side
    95,109.12x = 8,805,047,838.11
  5. Step 5: Solve for x
    x = 8,805,047,838.11/95,109.12
  6. Step 6: Final answer
    x = 92,578.38

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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.