Home / 92,430.28-127,553.79-49,988.80

Finding the Fourth Proportional to 92,430.28, 127,553.79 and 49,988.80

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Solution

The fourth proportional to 92,430.28, 127,553.79 and 49,988.80 is: 68,984.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,430.28 : 127,553.79 = 49,988.80 : x
  2. Step 2: Convert to fraction form
    92,430.28/127,553.79 = 49,988.80/x
  3. Step 3: Cross multiply
    92,430.28x = 127,553.79 × 49,988.80
  4. Step 4: Simplify right side
    92,430.28x = 6,376,260,897.55
  5. Step 5: Solve for x
    x = 6,376,260,897.55/92,430.28
  6. Step 6: Final answer
    x = 68,984.55

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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.