Home / 88,920.68-122,708.80-48,634.32

Finding the Fourth Proportional to 88,920.68, 122,708.80 and 48,634.32

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Solution

The fourth proportional to 88,920.68, 122,708.80 and 48,634.32 is: 67,114.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,920.68 : 122,708.80 = 48,634.32 : x
  2. Step 2: Convert to fraction form
    88,920.68/122,708.80 = 48,634.32/x
  3. Step 3: Cross multiply
    88,920.68x = 122,708.80 × 48,634.32
  4. Step 4: Simplify right side
    88,920.68x = 5,967,859,046.02
  5. Step 5: Solve for x
    x = 5,967,859,046.02/88,920.68
  6. Step 6: Final answer
    x = 67,114.41

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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.