Home / 92,439.09-127,565.96-49,997.62

Finding the Fourth Proportional to 92,439.09, 127,565.96 and 49,997.62

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Solution

The fourth proportional to 92,439.09, 127,565.96 and 49,997.62 is: 68,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,439.09 : 127,565.96 = 49,997.62 : x
  2. Step 2: Convert to fraction form
    92,439.09/127,565.96 = 49,997.62/x
  3. Step 3: Cross multiply
    92,439.09x = 127,565.96 × 49,997.62
  4. Step 4: Simplify right side
    92,439.09x = 6,377,994,302.48
  5. Step 5: Solve for x
    x = 6,377,994,302.48/92,439.09
  6. Step 6: Final answer
    x = 68,996.72

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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.