Home / 83,489.16-125,231.58-28,085.16

Finding the Fourth Proportional to 83,489.16, 125,231.58 and 28,085.16

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Solution

The fourth proportional to 83,489.16, 125,231.58 and 28,085.16 is: 42,127.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.16 : 125,231.58 = 28,085.16 : x
  2. Step 2: Convert to fraction form
    83,489.16/125,231.58 = 28,085.16/x
  3. Step 3: Cross multiply
    83,489.16x = 125,231.58 × 28,085.16
  4. Step 4: Simplify right side
    83,489.16x = 3,517,148,961.35
  5. Step 5: Solve for x
    x = 3,517,148,961.35/83,489.16
  6. Step 6: Final answer
    x = 42,127.01

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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.