Home / 77,543.28-116,163.45-36,959.04

Finding the Fourth Proportional to 77,543.28, 116,163.45 and 36,959.04

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Solution

The fourth proportional to 77,543.28, 116,163.45 and 36,959.04 is: 55,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,543.28 : 116,163.45 = 36,959.04 : x
  2. Step 2: Convert to fraction form
    77,543.28/116,163.45 = 36,959.04/x
  3. Step 3: Cross multiply
    77,543.28x = 116,163.45 × 36,959.04
  4. Step 4: Simplify right side
    77,543.28x = 4,293,289,595.09
  5. Step 5: Solve for x
    x = 4,293,289,595.09/77,543.28
  6. Step 6: Final answer
    x = 55,366.37

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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.