Home / 81,726.02-122,360.64-44,151.48

Finding the Fourth Proportional to 81,726.02, 122,360.64 and 44,151.48

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Solution

The fourth proportional to 81,726.02, 122,360.64 and 44,151.48 is: 66,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,726.02 : 122,360.64 = 44,151.48 : x
  2. Step 2: Convert to fraction form
    81,726.02/122,360.64 = 44,151.48/x
  3. Step 3: Cross multiply
    81,726.02x = 122,360.64 × 44,151.48
  4. Step 4: Simplify right side
    81,726.02x = 5,402,403,349.75
  5. Step 5: Solve for x
    x = 5,402,403,349.75/81,726.02
  6. Step 6: Final answer
    x = 66,103.84

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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.