Home / 83,840.39-125,760.86-52,610.03

Finding the Fourth Proportional to 83,840.39, 125,760.86 and 52,610.03

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Solution

The fourth proportional to 83,840.39, 125,760.86 and 52,610.03 is: 78,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,840.39 : 125,760.86 = 52,610.03 : x
  2. Step 2: Convert to fraction form
    83,840.39/125,760.86 = 52,610.03/x
  3. Step 3: Cross multiply
    83,840.39x = 125,760.86 × 52,610.03
  4. Step 4: Simplify right side
    83,840.39x = 6,616,282,800.30
  5. Step 5: Solve for x
    x = 6,616,282,800.30/83,840.39
  6. Step 6: Final answer
    x = 78,915.22

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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.