Home / 81,989.27-122,983.93-63,296.59

Finding the Fourth Proportional to 81,989.27, 122,983.93 and 63,296.59

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Solution

The fourth proportional to 81,989.27, 122,983.93 and 63,296.59 is: 94,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,989.27 : 122,983.93 = 63,296.59 : x
  2. Step 2: Convert to fraction form
    81,989.27/122,983.93 = 63,296.59/x
  3. Step 3: Cross multiply
    81,989.27x = 122,983.93 × 63,296.59
  4. Step 4: Simplify right side
    81,989.27x = 7,784,463,543.02
  5. Step 5: Solve for x
    x = 7,784,463,543.02/81,989.27
  6. Step 6: Final answer
    x = 94,944.91

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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.