Home / 125,387.05-173,034.13-71,673.23

Finding the Fourth Proportional to 125,387.05, 173,034.13 and 71,673.23

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Solution

The fourth proportional to 125,387.05, 173,034.13 and 71,673.23 is: 98,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,387.05 : 173,034.13 = 71,673.23 : x
  2. Step 2: Convert to fraction form
    125,387.05/173,034.13 = 71,673.23/x
  3. Step 3: Cross multiply
    125,387.05x = 173,034.13 × 71,673.23
  4. Step 4: Simplify right side
    125,387.05x = 12,401,914,997.34
  5. Step 5: Solve for x
    x = 12,401,914,997.34/125,387.05
  6. Step 6: Final answer
    x = 98,909.06

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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.