Home / 88,718.15-122,433.80-48,434.52

Finding the Fourth Proportional to 88,718.15, 122,433.80 and 48,434.52

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Solution

The fourth proportional to 88,718.15, 122,433.80 and 48,434.52 is: 66,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.15 : 122,433.80 = 48,434.52 : x
  2. Step 2: Convert to fraction form
    88,718.15/122,433.80 = 48,434.52/x
  3. Step 3: Cross multiply
    88,718.15x = 122,433.80 × 48,434.52
  4. Step 4: Simplify right side
    88,718.15x = 5,930,022,551.73
  5. Step 5: Solve for x
    x = 5,930,022,551.73/88,718.15
  6. Step 6: Final answer
    x = 66,841.14

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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.