Home / 83,612.30-125,437.60-36,235.34

Finding the Fourth Proportional to 83,612.30, 125,437.60 and 36,235.34

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Solution

The fourth proportional to 83,612.30, 125,437.60 and 36,235.34 is: 54,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,612.30 : 125,437.60 = 36,235.34 : x
  2. Step 2: Convert to fraction form
    83,612.30/125,437.60 = 36,235.34/x
  3. Step 3: Cross multiply
    83,612.30x = 125,437.60 × 36,235.34
  4. Step 4: Simplify right side
    83,612.30x = 4,545,273,769.46
  5. Step 5: Solve for x
    x = 4,545,273,769.46/83,612.30
  6. Step 6: Final answer
    x = 54,361.31

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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.