Home / 125,642.43-173,387.12-69,057.45

Finding the Fourth Proportional to 125,642.43, 173,387.12 and 69,057.45

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Solution

The fourth proportional to 125,642.43, 173,387.12 and 69,057.45 is: 95,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,642.43 : 173,387.12 = 69,057.45 : x
  2. Step 2: Convert to fraction form
    125,642.43/173,387.12 = 69,057.45/x
  3. Step 3: Cross multiply
    125,642.43x = 173,387.12 × 69,057.45
  4. Step 4: Simplify right side
    125,642.43x = 11,973,672,024.76
  5. Step 5: Solve for x
    x = 11,973,672,024.76/125,642.43
  6. Step 6: Final answer
    x = 95,299.59

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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.