Home / 80,419.39-110,983.84-46,434.15

Finding the Fourth Proportional to 80,419.39, 110,983.84 and 46,434.15

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Solution

The fourth proportional to 80,419.39, 110,983.84 and 46,434.15 is: 64,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,419.39 : 110,983.84 = 46,434.15 : x
  2. Step 2: Convert to fraction form
    80,419.39/110,983.84 = 46,434.15/x
  3. Step 3: Cross multiply
    80,419.39x = 110,983.84 × 46,434.15
  4. Step 4: Simplify right side
    80,419.39x = 5,153,440,158.05
  5. Step 5: Solve for x
    x = 5,153,440,158.05/80,419.39
  6. Step 6: Final answer
    x = 64,082.06

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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.