Home / 88,441.60-121,841.82-61,537.84

Finding the Fourth Proportional to 88,441.60, 121,841.82 and 61,537.84

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Solution

The fourth proportional to 88,441.60, 121,841.82 and 61,537.84 is: 84,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,441.60 : 121,841.82 = 61,537.84 : x
  2. Step 2: Convert to fraction form
    88,441.60/121,841.82 = 61,537.84/x
  3. Step 3: Cross multiply
    88,441.60x = 121,841.82 × 61,537.84
  4. Step 4: Simplify right side
    88,441.60x = 7,497,882,424.47
  5. Step 5: Solve for x
    x = 7,497,882,424.47/88,441.60
  6. Step 6: Final answer
    x = 84,777.78

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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.