Home / 83,772.42-125,478.27-39,332.58

Finding the Fourth Proportional to 83,772.42, 125,478.27 and 39,332.58

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Solution

The fourth proportional to 83,772.42, 125,478.27 and 39,332.58 is: 58,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,772.42 : 125,478.27 = 39,332.58 : x
  2. Step 2: Convert to fraction form
    83,772.42/125,478.27 = 39,332.58/x
  3. Step 3: Cross multiply
    83,772.42x = 125,478.27 × 39,332.58
  4. Step 4: Simplify right side
    83,772.42x = 4,935,384,093.04
  5. Step 5: Solve for x
    x = 4,935,384,093.04/83,772.42
  6. Step 6: Final answer
    x = 58,914.19

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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.