Home / 80,104.32-120,082.16-38,004.16

Finding the Fourth Proportional to 80,104.32, 120,082.16 and 38,004.16

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Solution

The fourth proportional to 80,104.32, 120,082.16 and 38,004.16 is: 56,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,104.32 : 120,082.16 = 38,004.16 : x
  2. Step 2: Convert to fraction form
    80,104.32/120,082.16 = 38,004.16/x
  3. Step 3: Cross multiply
    80,104.32x = 120,082.16 × 38,004.16
  4. Step 4: Simplify right side
    80,104.32x = 4,563,621,621.79
  5. Step 5: Solve for x
    x = 4,563,621,621.79/80,104.32
  6. Step 6: Final answer
    x = 56,970.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.