Home / 125,154.77-187,756.65-55,033.88

Finding the Fourth Proportional to 125,154.77, 187,756.65 and 55,033.88

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Solution

The fourth proportional to 125,154.77, 187,756.65 and 55,033.88 is: 82,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.77 : 187,756.65 = 55,033.88 : x
  2. Step 2: Convert to fraction form
    125,154.77/187,756.65 = 55,033.88/x
  3. Step 3: Cross multiply
    125,154.77x = 187,756.65 × 55,033.88
  4. Step 4: Simplify right side
    125,154.77x = 10,332,976,006.52
  5. Step 5: Solve for x
    x = 10,332,976,006.52/125,154.77
  6. Step 6: Final answer
    x = 82,561.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.