Home / 88,101.74-121,580.35-49,860.59

Finding the Fourth Proportional to 88,101.74, 121,580.35 and 49,860.59

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Solution

The fourth proportional to 88,101.74, 121,580.35 and 49,860.59 is: 68,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,101.74 : 121,580.35 = 49,860.59 : x
  2. Step 2: Convert to fraction form
    88,101.74/121,580.35 = 49,860.59/x
  3. Step 3: Cross multiply
    88,101.74x = 121,580.35 × 49,860.59
  4. Step 4: Simplify right side
    88,101.74x = 6,062,067,250.85
  5. Step 5: Solve for x
    x = 6,062,067,250.85/88,101.74
  6. Step 6: Final answer
    x = 68,807.57

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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.