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Finding the Fourth Proportional to 92,673.35, 127,892.24 and 51,280.80

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Solution

The fourth proportional to 92,673.35, 127,892.24 and 51,280.80 is: 70,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.35 : 127,892.24 = 51,280.80 : x
  2. Step 2: Convert to fraction form
    92,673.35/127,892.24 = 51,280.80/x
  3. Step 3: Cross multiply
    92,673.35x = 127,892.24 × 51,280.80
  4. Step 4: Simplify right side
    92,673.35x = 6,558,416,124.59
  5. Step 5: Solve for x
    x = 6,558,416,124.59/92,673.35
  6. Step 6: Final answer
    x = 70,769.17

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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.