Home / 90,262.20-124,563.39-49,429.92

Finding the Fourth Proportional to 90,262.20, 124,563.39 and 49,429.92

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Solution

The fourth proportional to 90,262.20, 124,563.39 and 49,429.92 is: 68,214.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,262.20 : 124,563.39 = 49,429.92 : x
  2. Step 2: Convert to fraction form
    90,262.20/124,563.39 = 49,429.92/x
  3. Step 3: Cross multiply
    90,262.20x = 124,563.39 × 49,429.92
  4. Step 4: Simplify right side
    90,262.20x = 6,157,158,402.63
  5. Step 5: Solve for x
    x = 6,157,158,402.63/90,262.20
  6. Step 6: Final answer
    x = 68,214.14

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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.