Home / 125,769.74-173,574.97-72,061.88

Finding the Fourth Proportional to 125,769.74, 173,574.97 and 72,061.88

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Solution

The fourth proportional to 125,769.74, 173,574.97 and 72,061.88 is: 99,452.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,769.74 : 173,574.97 = 72,061.88 : x
  2. Step 2: Convert to fraction form
    125,769.74/173,574.97 = 72,061.88/x
  3. Step 3: Cross multiply
    125,769.74x = 173,574.97 × 72,061.88
  4. Step 4: Simplify right side
    125,769.74x = 12,508,137,611.11
  5. Step 5: Solve for x
    x = 12,508,137,611.11/125,769.74
  6. Step 6: Final answer
    x = 99,452.68

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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.