Home / 88,278.38-121,821.62-50,041.46

Finding the Fourth Proportional to 88,278.38, 121,821.62 and 50,041.46

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Solution

The fourth proportional to 88,278.38, 121,821.62 and 50,041.46 is: 69,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,278.38 : 121,821.62 = 50,041.46 : x
  2. Step 2: Convert to fraction form
    88,278.38/121,821.62 = 50,041.46/x
  3. Step 3: Cross multiply
    88,278.38x = 121,821.62 × 50,041.46
  4. Step 4: Simplify right side
    88,278.38x = 6,096,132,475.50
  5. Step 5: Solve for x
    x = 6,096,132,475.50/88,278.38
  6. Step 6: Final answer
    x = 69,055.78

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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.