Home / 125,037.22-187,572.30-40,767.80

Finding the Fourth Proportional to 125,037.22, 187,572.30 and 40,767.80

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Solution

The fourth proportional to 125,037.22, 187,572.30 and 40,767.80 is: 61,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,037.22 : 187,572.30 = 40,767.80 : x
  2. Step 2: Convert to fraction form
    125,037.22/187,572.30 = 40,767.80/x
  3. Step 3: Cross multiply
    125,037.22x = 187,572.30 × 40,767.80
  4. Step 4: Simplify right side
    125,037.22x = 7,646,910,011.94
  5. Step 5: Solve for x
    x = 7,646,910,011.94/125,037.22
  6. Step 6: Final answer
    x = 61,157.07

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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.