Home / 88,326.12-121,869.24-59,699.16

Finding the Fourth Proportional to 88,326.12, 121,869.24 and 59,699.16

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Solution

The fourth proportional to 88,326.12, 121,869.24 and 59,699.16 is: 82,370.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,326.12 : 121,869.24 = 59,699.16 : x
  2. Step 2: Convert to fraction form
    88,326.12/121,869.24 = 59,699.16/x
  3. Step 3: Cross multiply
    88,326.12x = 121,869.24 × 59,699.16
  4. Step 4: Simplify right side
    88,326.12x = 7,275,491,257.84
  5. Step 5: Solve for x
    x = 7,275,491,257.84/88,326.12
  6. Step 6: Final answer
    x = 82,370.78

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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.