Home / 71,781.06-99,194.52-53,844.93

Finding the Fourth Proportional to 71,781.06, 99,194.52 and 53,844.93

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Solution

The fourth proportional to 71,781.06, 99,194.52 and 53,844.93 is: 74,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,781.06 : 99,194.52 = 53,844.93 : x
  2. Step 2: Convert to fraction form
    71,781.06/99,194.52 = 53,844.93/x
  3. Step 3: Cross multiply
    71,781.06x = 99,194.52 × 53,844.93
  4. Step 4: Simplify right side
    71,781.06x = 5,341,121,985.78
  5. Step 5: Solve for x
    x = 5,341,121,985.78/71,781.06
  6. Step 6: Final answer
    x = 74,408.51

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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.