Home / 88,728.68-122,445.23-48,441.98

Finding the Fourth Proportional to 88,728.68, 122,445.23 and 48,441.98

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Solution

The fourth proportional to 88,728.68, 122,445.23 and 48,441.98 is: 66,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.68 : 122,445.23 = 48,441.98 : x
  2. Step 2: Convert to fraction form
    88,728.68/122,445.23 = 48,441.98/x
  3. Step 3: Cross multiply
    88,728.68x = 122,445.23 × 48,441.98
  4. Step 4: Simplify right side
    88,728.68x = 5,931,488,891.63
  5. Step 5: Solve for x
    x = 5,931,488,891.63/88,728.68
  6. Step 6: Final answer
    x = 66,849.74

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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.