Home / 124,531.80-186,773.40-40,271.55

Finding the Fourth Proportional to 124,531.80, 186,773.40 and 40,271.55

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Solution

The fourth proportional to 124,531.80, 186,773.40 and 40,271.55 is: 60,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,531.80 : 186,773.40 = 40,271.55 : x
  2. Step 2: Convert to fraction form
    124,531.80/186,773.40 = 40,271.55/x
  3. Step 3: Cross multiply
    124,531.80x = 186,773.40 × 40,271.55
  4. Step 4: Simplify right side
    124,531.80x = 7,521,654,316.77
  5. Step 5: Solve for x
    x = 7,521,654,316.77/124,531.80
  6. Step 6: Final answer
    x = 60,399.47

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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.