Home / 88,268.96-132,328.80-38,311.50

Finding the Fourth Proportional to 88,268.96, 132,328.80 and 38,311.50

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Solution

The fourth proportional to 88,268.96, 132,328.80 and 38,311.50 is: 57,434.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,268.96 : 132,328.80 = 38,311.50 : x
  2. Step 2: Convert to fraction form
    88,268.96/132,328.80 = 38,311.50/x
  3. Step 3: Cross multiply
    88,268.96x = 132,328.80 × 38,311.50
  4. Step 4: Simplify right side
    88,268.96x = 5,069,714,821.20
  5. Step 5: Solve for x
    x = 5,069,714,821.20/88,268.96
  6. Step 6: Final answer
    x = 57,434.86

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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.