Home / 80,543.43-111,148.00-44,733.13

Finding the Fourth Proportional to 80,543.43, 111,148.00 and 44,733.13

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Solution

The fourth proportional to 80,543.43, 111,148.00 and 44,733.13 is: 61,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,543.43 : 111,148.00 = 44,733.13 : x
  2. Step 2: Convert to fraction form
    80,543.43/111,148.00 = 44,733.13/x
  3. Step 3: Cross multiply
    80,543.43x = 111,148.00 × 44,733.13
  4. Step 4: Simplify right side
    80,543.43x = 4,971,997,543.54
  5. Step 5: Solve for x
    x = 4,971,997,543.54/80,543.43
  6. Step 6: Final answer
    x = 61,730.64

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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.