Home / 83,416.26-125,124.40-21,086.76

Finding the Fourth Proportional to 83,416.26, 125,124.40 and 21,086.76

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Solution

The fourth proportional to 83,416.26, 125,124.40 and 21,086.76 is: 31,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,416.26 : 125,124.40 = 21,086.76 : x
  2. Step 2: Convert to fraction form
    83,416.26/125,124.40 = 21,086.76/x
  3. Step 3: Cross multiply
    83,416.26x = 125,124.40 × 21,086.76
  4. Step 4: Simplify right side
    83,416.26x = 2,638,468,192.94
  5. Step 5: Solve for x
    x = 2,638,468,192.94/83,416.26
  6. Step 6: Final answer
    x = 31,630.14

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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.