Home / 124,718.76-187,029.63-40,458.56

Finding the Fourth Proportional to 124,718.76, 187,029.63 and 40,458.56

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Solution

The fourth proportional to 124,718.76, 187,029.63 and 40,458.56 is: 60,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,718.76 : 187,029.63 = 40,458.56 : x
  2. Step 2: Convert to fraction form
    124,718.76/187,029.63 = 40,458.56/x
  3. Step 3: Cross multiply
    124,718.76x = 187,029.63 × 40,458.56
  4. Step 4: Simplify right side
    124,718.76x = 7,566,948,571.98
  5. Step 5: Solve for x
    x = 7,566,948,571.98/124,718.76
  6. Step 6: Final answer
    x = 60,672.10

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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.