Home / 125,735.68-173,517.35-72,025.39

Finding the Fourth Proportional to 125,735.68, 173,517.35 and 72,025.39

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Solution

The fourth proportional to 125,735.68, 173,517.35 and 72,025.39 is: 99,396.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,735.68 : 173,517.35 = 72,025.39 : x
  2. Step 2: Convert to fraction form
    125,735.68/173,517.35 = 72,025.39/x
  3. Step 3: Cross multiply
    125,735.68x = 173,517.35 × 72,025.39
  4. Step 4: Simplify right side
    125,735.68x = 12,497,654,805.52
  5. Step 5: Solve for x
    x = 12,497,654,805.52/125,735.68
  6. Step 6: Final answer
    x = 99,396.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.