Home / 88,695.78-122,403.01-50,454.33

Finding the Fourth Proportional to 88,695.78, 122,403.01 and 50,454.33

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Solution

The fourth proportional to 88,695.78, 122,403.01 and 50,454.33 is: 69,628.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,695.78 : 122,403.01 = 50,454.33 : x
  2. Step 2: Convert to fraction form
    88,695.78/122,403.01 = 50,454.33/x
  3. Step 3: Cross multiply
    88,695.78x = 122,403.01 × 50,454.33
  4. Step 4: Simplify right side
    88,695.78x = 6,175,761,859.53
  5. Step 5: Solve for x
    x = 6,175,761,859.53/88,695.78
  6. Step 6: Final answer
    x = 69,628.59

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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.