Home / 124,690.20-187,061.60-40,443.82

Finding the Fourth Proportional to 124,690.20, 187,061.60 and 40,443.82

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Solution

The fourth proportional to 124,690.20, 187,061.60 and 40,443.82 is: 60,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,690.20 : 187,061.60 = 40,443.82 : x
  2. Step 2: Convert to fraction form
    124,690.20/187,061.60 = 40,443.82/x
  3. Step 3: Cross multiply
    124,690.20x = 187,061.60 × 40,443.82
  4. Step 4: Simplify right side
    124,690.20x = 7,565,485,625.59
  5. Step 5: Solve for x
    x = 7,565,485,625.59/124,690.20
  6. Step 6: Final answer
    x = 60,674.26

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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.