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Finding the Fourth Proportional to 92,592.76, 127,742.76 and 68,451.68

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Solution

The fourth proportional to 92,592.76, 127,742.76 and 68,451.68 is: 94,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,592.76 : 127,742.76 = 68,451.68 : x
  2. Step 2: Convert to fraction form
    92,592.76/127,742.76 = 68,451.68/x
  3. Step 3: Cross multiply
    92,592.76x = 127,742.76 × 68,451.68
  4. Step 4: Simplify right side
    92,592.76x = 8,744,206,529.84
  5. Step 5: Solve for x
    x = 8,744,206,529.84/92,592.76
  6. Step 6: Final answer
    x = 94,437.26

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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.