Home / 83,270.40-124,963.20-59,913.60

Finding the Fourth Proportional to 83,270.40, 124,963.20 and 59,913.60

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Solution

The fourth proportional to 83,270.40, 124,963.20 and 59,913.60 is: 89,911.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,270.40 : 124,963.20 = 59,913.60 : x
  2. Step 2: Convert to fraction form
    83,270.40/124,963.20 = 59,913.60/x
  3. Step 3: Cross multiply
    83,270.40x = 124,963.20 × 59,913.60
  4. Step 4: Simplify right side
    83,270.40x = 7,486,995,179.52
  5. Step 5: Solve for x
    x = 7,486,995,179.52/83,270.40
  6. Step 6: Final answer
    x = 89,911.84

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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.