Home / 40,734.32-61,105.71-11,152.16

Finding the Fourth Proportional to 40,734.32, 61,105.71 and 11,152.16

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Solution

The fourth proportional to 40,734.32, 61,105.71 and 11,152.16 is: 16,729.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.32 : 61,105.71 = 11,152.16 : x
  2. Step 2: Convert to fraction form
    40,734.32/61,105.71 = 11,152.16/x
  3. Step 3: Cross multiply
    40,734.32x = 61,105.71 × 11,152.16
  4. Step 4: Simplify right side
    40,734.32x = 681,460,349.31
  5. Step 5: Solve for x
    x = 681,460,349.31/40,734.32
  6. Step 6: Final answer
    x = 16,729.39

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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.