Home / 124,618.41-186,957.08-40,378.43

Finding the Fourth Proportional to 124,618.41, 186,957.08 and 40,378.43

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Solution

The fourth proportional to 124,618.41, 186,957.08 and 40,378.43 is: 60,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,618.41 : 186,957.08 = 40,378.43 : x
  2. Step 2: Convert to fraction form
    124,618.41/186,957.08 = 40,378.43/x
  3. Step 3: Cross multiply
    124,618.41x = 186,957.08 × 40,378.43
  4. Step 4: Simplify right side
    124,618.41x = 7,549,033,367.78
  5. Step 5: Solve for x
    x = 7,549,033,367.78/124,618.41
  6. Step 6: Final answer
    x = 60,577.19

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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.