Home / 88,231.61-132,347.10-38,305.19

Finding the Fourth Proportional to 88,231.61, 132,347.10 and 38,305.19

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Solution

The fourth proportional to 88,231.61, 132,347.10 and 38,305.19 is: 57,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231.61 : 132,347.10 = 38,305.19 : x
  2. Step 2: Convert to fraction form
    88,231.61/132,347.10 = 38,305.19/x
  3. Step 3: Cross multiply
    88,231.61x = 132,347.10 × 38,305.19
  4. Step 4: Simplify right side
    88,231.61x = 5,069,580,811.45
  5. Step 5: Solve for x
    x = 5,069,580,811.45/88,231.61
  6. Step 6: Final answer
    x = 57,457.65

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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.