Home / 125,387.19-173,034.30-71,673.36

Finding the Fourth Proportional to 125,387.19, 173,034.30 and 71,673.36

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Solution

The fourth proportional to 125,387.19, 173,034.30 and 71,673.36 is: 98,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,387.19 : 173,034.30 = 71,673.36 : x
  2. Step 2: Convert to fraction form
    125,387.19/173,034.30 = 71,673.36/x
  3. Step 3: Cross multiply
    125,387.19x = 173,034.30 × 71,673.36
  4. Step 4: Simplify right side
    125,387.19x = 12,401,949,676.25
  5. Step 5: Solve for x
    x = 12,401,949,676.25/125,387.19
  6. Step 6: Final answer
    x = 98,909.22

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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.