Home / 88,920.32-122,708.31-48,633.96

Finding the Fourth Proportional to 88,920.32, 122,708.31 and 48,633.96

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Solution

The fourth proportional to 88,920.32, 122,708.31 and 48,633.96 is: 67,113.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,920.32 : 122,708.31 = 48,633.96 : x
  2. Step 2: Convert to fraction form
    88,920.32/122,708.31 = 48,633.96/x
  3. Step 3: Cross multiply
    88,920.32x = 122,708.31 × 48,633.96
  4. Step 4: Simplify right side
    88,920.32x = 5,967,791,040.21
  5. Step 5: Solve for x
    x = 5,967,791,040.21/88,920.32
  6. Step 6: Final answer
    x = 67,113.92

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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.