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Finding the Fourth Proportional to 92,737.74, 127,978.24 and 50,296.31

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Solution

The fourth proportional to 92,737.74, 127,978.24 and 50,296.31 is: 69,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,737.74 : 127,978.24 = 50,296.31 : x
  2. Step 2: Convert to fraction form
    92,737.74/127,978.24 = 50,296.31/x
  3. Step 3: Cross multiply
    92,737.74x = 127,978.24 × 50,296.31
  4. Step 4: Simplify right side
    92,737.74x = 6,436,832,592.40
  5. Step 5: Solve for x
    x = 6,436,832,592.40/92,737.74
  6. Step 6: Final answer
    x = 69,408.99

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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.