Home / 89,077.68-122,929.17-50,836.46

Finding the Fourth Proportional to 89,077.68, 122,929.17 and 50,836.46

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Solution

The fourth proportional to 89,077.68, 122,929.17 and 50,836.46 is: 70,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,077.68 : 122,929.17 = 50,836.46 : x
  2. Step 2: Convert to fraction form
    89,077.68/122,929.17 = 50,836.46/x
  3. Step 3: Cross multiply
    89,077.68x = 122,929.17 × 50,836.46
  4. Step 4: Simplify right side
    89,077.68x = 6,249,283,833.54
  5. Step 5: Solve for x
    x = 6,249,283,833.54/89,077.68
  6. Step 6: Final answer
    x = 70,155.44

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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.