Home / 57,054.68-78,733.32-31,909.04

Finding the Fourth Proportional to 57,054.68, 78,733.32 and 31,909.04

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Solution

The fourth proportional to 57,054.68, 78,733.32 and 31,909.04 is: 44,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,054.68 : 78,733.32 = 31,909.04 : x
  2. Step 2: Convert to fraction form
    57,054.68/78,733.32 = 31,909.04/x
  3. Step 3: Cross multiply
    57,054.68x = 78,733.32 × 31,909.04
  4. Step 4: Simplify right side
    57,054.68x = 2,512,304,657.21
  5. Step 5: Solve for x
    x = 2,512,304,657.21/57,054.68
  6. Step 6: Final answer
    x = 44,033.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.