Home / 92,414.40-127,531.08-49,972.56

Finding the Fourth Proportional to 92,414.40, 127,531.08 and 49,972.56

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Solution

The fourth proportional to 92,414.40, 127,531.08 and 49,972.56 is: 68,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,414.40 : 127,531.08 = 49,972.56 : x
  2. Step 2: Convert to fraction form
    92,414.40/127,531.08 = 49,972.56/x
  3. Step 3: Cross multiply
    92,414.40x = 127,531.08 × 49,972.56
  4. Step 4: Simplify right side
    92,414.40x = 6,373,054,547.16
  5. Step 5: Solve for x
    x = 6,373,054,547.16/92,414.40
  6. Step 6: Final answer
    x = 68,961.70

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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.