Home / 74,933.55-112,382.33-43,275.15

Finding the Fourth Proportional to 74,933.55, 112,382.33 and 43,275.15

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Solution

The fourth proportional to 74,933.55, 112,382.33 and 43,275.15 is: 64,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,933.55 : 112,382.33 = 43,275.15 : x
  2. Step 2: Convert to fraction form
    74,933.55/112,382.33 = 43,275.15/x
  3. Step 3: Cross multiply
    74,933.55x = 112,382.33 × 43,275.15
  4. Step 4: Simplify right side
    74,933.55x = 4,863,361,971.72
  5. Step 5: Solve for x
    x = 4,863,361,971.72/74,933.55
  6. Step 6: Final answer
    x = 64,902.33

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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.