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Finding the Fourth Proportional to 92,752.68, 127,997.70 and 52,465.80

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Solution

The fourth proportional to 92,752.68, 127,997.70 and 52,465.80 is: 72,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,752.68 : 127,997.70 = 52,465.80 : x
  2. Step 2: Convert to fraction form
    92,752.68/127,997.70 = 52,465.80/x
  3. Step 3: Cross multiply
    92,752.68x = 127,997.70 × 52,465.80
  4. Step 4: Simplify right side
    92,752.68x = 6,715,501,728.66
  5. Step 5: Solve for x
    x = 6,715,501,728.66/92,752.68
  6. Step 6: Final answer
    x = 72,402.24

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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.