Home / 125,074.87-172,603.61-67,714.80

Finding the Fourth Proportional to 125,074.87, 172,603.61 and 67,714.80

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Solution

The fourth proportional to 125,074.87, 172,603.61 and 67,714.80 is: 93,446.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,074.87 : 172,603.61 = 67,714.80 : x
  2. Step 2: Convert to fraction form
    125,074.87/172,603.61 = 67,714.80/x
  3. Step 3: Cross multiply
    125,074.87x = 172,603.61 × 67,714.80
  4. Step 4: Simplify right side
    125,074.87x = 11,687,817,728.84
  5. Step 5: Solve for x
    x = 11,687,817,728.84/125,074.87
  6. Step 6: Final answer
    x = 93,446.57

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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.