Home / 84,915.28-127,373.10-22,585.78

Finding the Fourth Proportional to 84,915.28, 127,373.10 and 22,585.78

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Solution

The fourth proportional to 84,915.28, 127,373.10 and 22,585.78 is: 33,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.28 : 127,373.10 = 22,585.78 : x
  2. Step 2: Convert to fraction form
    84,915.28/127,373.10 = 22,585.78/x
  3. Step 3: Cross multiply
    84,915.28x = 127,373.10 × 22,585.78
  4. Step 4: Simplify right side
    84,915.28x = 2,876,820,814.52
  5. Step 5: Solve for x
    x = 2,876,820,814.52/84,915.28
  6. Step 6: Final answer
    x = 33,878.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.