Home / 88,508.32-122,140.36-48,223.76

Finding the Fourth Proportional to 88,508.32, 122,140.36 and 48,223.76

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Solution

The fourth proportional to 88,508.32, 122,140.36 and 48,223.76 is: 66,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,508.32 : 122,140.36 = 48,223.76 : x
  2. Step 2: Convert to fraction form
    88,508.32/122,140.36 = 48,223.76/x
  3. Step 3: Cross multiply
    88,508.32x = 122,140.36 × 48,223.76
  4. Step 4: Simplify right side
    88,508.32x = 5,890,067,406.95
  5. Step 5: Solve for x
    x = 5,890,067,406.95/88,508.32
  6. Step 6: Final answer
    x = 66,548.18

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1.5x scale

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.