Home / 124,732.47-187,124.67-40,494.36

Finding the Fourth Proportional to 124,732.47, 187,124.67 and 40,494.36

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Solution

The fourth proportional to 124,732.47, 187,124.67 and 40,494.36 is: 60,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,732.47 : 187,124.67 = 40,494.36 : x
  2. Step 2: Convert to fraction form
    124,732.47/187,124.67 = 40,494.36/x
  3. Step 3: Cross multiply
    124,732.47x = 187,124.67 × 40,494.36
  4. Step 4: Simplify right side
    124,732.47x = 7,577,493,074.02
  5. Step 5: Solve for x
    x = 7,577,493,074.02/124,732.47
  6. Step 6: Final answer
    x = 60,749.96

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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.