Home / 125,977.90-173,849.48-69,389.28

Finding the Fourth Proportional to 125,977.90, 173,849.48 and 69,389.28

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Solution

The fourth proportional to 125,977.90, 173,849.48 and 69,389.28 is: 95,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,977.90 : 173,849.48 = 69,389.28 : x
  2. Step 2: Convert to fraction form
    125,977.90/173,849.48 = 69,389.28/x
  3. Step 3: Cross multiply
    125,977.90x = 173,849.48 × 69,389.28
  4. Step 4: Simplify right side
    125,977.90x = 12,063,290,245.57
  5. Step 5: Solve for x
    x = 12,063,290,245.57/125,977.90
  6. Step 6: Final answer
    x = 95,757.19

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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.