Home / 124,748.64-187,006.20-45,841.68

Finding the Fourth Proportional to 124,748.64, 187,006.20 and 45,841.68

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Solution

The fourth proportional to 124,748.64, 187,006.20 and 45,841.68 is: 68,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.64 : 187,006.20 = 45,841.68 : x
  2. Step 2: Convert to fraction form
    124,748.64/187,006.20 = 45,841.68/x
  3. Step 3: Cross multiply
    124,748.64x = 187,006.20 × 45,841.68
  4. Step 4: Simplify right side
    124,748.64x = 8,572,678,378.42
  5. Step 5: Solve for x
    x = 8,572,678,378.42/124,748.64
  6. Step 6: Final answer
    x = 68,719.61

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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.