Home / 49,323.32-74,073.60-45,367.40

Finding the Fourth Proportional to 49,323.32, 74,073.60 and 45,367.40

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Solution

The fourth proportional to 49,323.32, 74,073.60 and 45,367.40 is: 68,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,323.32 : 74,073.60 = 45,367.40 : x
  2. Step 2: Convert to fraction form
    49,323.32/74,073.60 = 45,367.40/x
  3. Step 3: Cross multiply
    49,323.32x = 74,073.60 × 45,367.40
  4. Step 4: Simplify right side
    49,323.32x = 3,360,526,640.64
  5. Step 5: Solve for x
    x = 3,360,526,640.64/49,323.32
  6. Step 6: Final answer
    x = 68,132.61

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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.