Home / 85,070.43-127,624.10-25,904.55

Finding the Fourth Proportional to 85,070.43, 127,624.10 and 25,904.55

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Solution

The fourth proportional to 85,070.43, 127,624.10 and 25,904.55 is: 38,862.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.43 : 127,624.10 = 25,904.55 : x
  2. Step 2: Convert to fraction form
    85,070.43/127,624.10 = 25,904.55/x
  3. Step 3: Cross multiply
    85,070.43x = 127,624.10 × 25,904.55
  4. Step 4: Simplify right side
    85,070.43x = 3,306,044,750.13
  5. Step 5: Solve for x
    x = 3,306,044,750.13/85,070.43
  6. Step 6: Final answer
    x = 38,862.44

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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.