Home / 83,635.76-125,488.72-52,072.24

Finding the Fourth Proportional to 83,635.76, 125,488.72 and 52,072.24

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Solution

The fourth proportional to 83,635.76, 125,488.72 and 52,072.24 is: 78,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,635.76 : 125,488.72 = 52,072.24 : x
  2. Step 2: Convert to fraction form
    83,635.76/125,488.72 = 52,072.24/x
  3. Step 3: Cross multiply
    83,635.76x = 125,488.72 × 52,072.24
  4. Step 4: Simplify right side
    83,635.76x = 6,534,478,745.13
  5. Step 5: Solve for x
    x = 6,534,478,745.13/83,635.76
  6. Step 6: Final answer
    x = 78,130.20

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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.