Home / 83,612.43-125,437.80-36,235.47

Finding the Fourth Proportional to 83,612.43, 125,437.80 and 36,235.47

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Solution

The fourth proportional to 83,612.43, 125,437.80 and 36,235.47 is: 54,361.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,612.43 : 125,437.80 = 36,235.47 : x
  2. Step 2: Convert to fraction form
    83,612.43/125,437.80 = 36,235.47/x
  3. Step 3: Cross multiply
    83,612.43x = 125,437.80 × 36,235.47
  4. Step 4: Simplify right side
    83,612.43x = 4,545,297,638.77
  5. Step 5: Solve for x
    x = 4,545,297,638.77/83,612.43
  6. Step 6: Final answer
    x = 54,361.51

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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.