Home / 88,427.11-122,028.67-48,140.78

Finding the Fourth Proportional to 88,427.11, 122,028.67 and 48,140.78

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Solution

The fourth proportional to 88,427.11, 122,028.67 and 48,140.78 is: 66,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,427.11 : 122,028.67 = 48,140.78 : x
  2. Step 2: Convert to fraction form
    88,427.11/122,028.67 = 48,140.78/x
  3. Step 3: Cross multiply
    88,427.11x = 122,028.67 × 48,140.78
  4. Step 4: Simplify right side
    88,427.11x = 5,874,555,356.16
  5. Step 5: Solve for x
    x = 5,874,555,356.16/88,427.11
  6. Step 6: Final answer
    x = 66,433.87

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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.