Home / 88,077.71-132,116.20-31,904.66

Finding the Fourth Proportional to 88,077.71, 132,116.20 and 31,904.66

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Solution

The fourth proportional to 88,077.71, 132,116.20 and 31,904.66 is: 47,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,077.71 : 132,116.20 = 31,904.66 : x
  2. Step 2: Convert to fraction form
    88,077.71/132,116.20 = 31,904.66/x
  3. Step 3: Cross multiply
    88,077.71x = 132,116.20 × 31,904.66
  4. Step 4: Simplify right side
    88,077.71x = 4,215,122,692.02
  5. Step 5: Solve for x
    x = 4,215,122,692.02/88,077.71
  6. Step 6: Final answer
    x = 47,856.86

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1.5x scale

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.