Home / 125,849.28-173,669.76-69,260.16

Finding the Fourth Proportional to 125,849.28, 173,669.76 and 69,260.16

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Solution

The fourth proportional to 125,849.28, 173,669.76 and 69,260.16 is: 95,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,849.28 : 173,669.76 = 69,260.16 : x
  2. Step 2: Convert to fraction form
    125,849.28/173,669.76 = 69,260.16/x
  3. Step 3: Cross multiply
    125,849.28x = 173,669.76 × 69,260.16
  4. Step 4: Simplify right side
    125,849.28x = 12,028,395,364.76
  5. Step 5: Solve for x
    x = 12,028,395,364.76/125,849.28
  6. Step 6: Final answer
    x = 95,577.78

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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.