Home / 125,427.30-173,084.13-71,715.84

Finding the Fourth Proportional to 125,427.30, 173,084.13 and 71,715.84

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Solution

The fourth proportional to 125,427.30, 173,084.13 and 71,715.84 is: 98,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,427.30 : 173,084.13 = 71,715.84 : x
  2. Step 2: Convert to fraction form
    125,427.30/173,084.13 = 71,715.84/x
  3. Step 3: Cross multiply
    125,427.30x = 173,084.13 × 71,715.84
  4. Step 4: Simplify right side
    125,427.30x = 12,412,873,773.62
  5. Step 5: Solve for x
    x = 12,412,873,773.62/125,427.30
  6. Step 6: Final answer
    x = 98,964.69

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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.