Home / 92,416.47-127,534.28-49,974.90

Finding the Fourth Proportional to 92,416.47, 127,534.28 and 49,974.90

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Solution

The fourth proportional to 92,416.47, 127,534.28 and 49,974.90 is: 68,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,416.47 : 127,534.28 = 49,974.90 : x
  2. Step 2: Convert to fraction form
    92,416.47/127,534.28 = 49,974.90/x
  3. Step 3: Cross multiply
    92,416.47x = 127,534.28 × 49,974.90
  4. Step 4: Simplify right side
    92,416.47x = 6,373,512,639.70
  5. Step 5: Solve for x
    x = 6,373,512,639.70/92,416.47
  6. Step 6: Final answer
    x = 68,965.12

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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.