Home / 85,229.28-127,862.38-32,638.77

Finding the Fourth Proportional to 85,229.28, 127,862.38 and 32,638.77

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Solution

The fourth proportional to 85,229.28, 127,862.38 and 32,638.77 is: 48,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.28 : 127,862.38 = 32,638.77 : x
  2. Step 2: Convert to fraction form
    85,229.28/127,862.38 = 32,638.77/x
  3. Step 3: Cross multiply
    85,229.28x = 127,862.38 × 32,638.77
  4. Step 4: Simplify right side
    85,229.28x = 4,173,270,812.47
  5. Step 5: Solve for x
    x = 4,173,270,812.47/85,229.28
  6. Step 6: Final answer
    x = 48,965.22

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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.