Home / 125,024.88-172,534.80-68,441.52

Finding the Fourth Proportional to 125,024.88, 172,534.80 and 68,441.52

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Solution

The fourth proportional to 125,024.88, 172,534.80 and 68,441.52 is: 94,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,024.88 : 172,534.80 = 68,441.52 : x
  2. Step 2: Convert to fraction form
    125,024.88/172,534.80 = 68,441.52/x
  3. Step 3: Cross multiply
    125,024.88x = 172,534.80 × 68,441.52
  4. Step 4: Simplify right side
    125,024.88x = 11,808,543,964.90
  5. Step 5: Solve for x
    x = 11,808,543,964.90/125,024.88
  6. Step 6: Final answer
    x = 94,449.55

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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.