Home / 92,380.24-127,484.83-49,938.78

Finding the Fourth Proportional to 92,380.24, 127,484.83 and 49,938.78

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Solution

The fourth proportional to 92,380.24, 127,484.83 and 49,938.78 is: 68,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,380.24 : 127,484.83 = 49,938.78 : x
  2. Step 2: Convert to fraction form
    92,380.24/127,484.83 = 49,938.78/x
  3. Step 3: Cross multiply
    92,380.24x = 127,484.83 × 49,938.78
  4. Step 4: Simplify right side
    92,380.24x = 6,366,436,878.71
  5. Step 5: Solve for x
    x = 6,366,436,878.71/92,380.24
  6. Step 6: Final answer
    x = 68,915.57

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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.