Home / 80,346.47-120,543.27-35,963.34

Finding the Fourth Proportional to 80,346.47, 120,543.27 and 35,963.34

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Solution

The fourth proportional to 80,346.47, 120,543.27 and 35,963.34 is: 53,955.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,346.47 : 120,543.27 = 35,963.34 : x
  2. Step 2: Convert to fraction form
    80,346.47/120,543.27 = 35,963.34/x
  3. Step 3: Cross multiply
    80,346.47x = 120,543.27 × 35,963.34
  4. Step 4: Simplify right side
    80,346.47x = 4,335,138,897.17
  5. Step 5: Solve for x
    x = 4,335,138,897.17/80,346.47
  6. Step 6: Final answer
    x = 53,955.56

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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.