Home / 84,008.20-126,023.10-41,909.80

Finding the Fourth Proportional to 84,008.20, 126,023.10 and 41,909.80

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Solution

The fourth proportional to 84,008.20, 126,023.10 and 41,909.80 is: 62,870.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008.20 : 126,023.10 = 41,909.80 : x
  2. Step 2: Convert to fraction form
    84,008.20/126,023.10 = 41,909.80/x
  3. Step 3: Cross multiply
    84,008.20x = 126,023.10 × 41,909.80
  4. Step 4: Simplify right side
    84,008.20x = 5,281,602,916.38
  5. Step 5: Solve for x
    x = 5,281,602,916.38/84,008.20
  6. Step 6: Final answer
    x = 62,870.09

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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.