Home / 80,977.19-111,748.23-45,167.17

Finding the Fourth Proportional to 80,977.19, 111,748.23 and 45,167.17

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Solution

The fourth proportional to 80,977.19, 111,748.23 and 45,167.17 is: 62,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,977.19 : 111,748.23 = 45,167.17 : x
  2. Step 2: Convert to fraction form
    80,977.19/111,748.23 = 45,167.17/x
  3. Step 3: Cross multiply
    80,977.19x = 111,748.23 × 45,167.17
  4. Step 4: Simplify right side
    80,977.19x = 5,047,351,301.61
  5. Step 5: Solve for x
    x = 5,047,351,301.61/80,977.19
  6. Step 6: Final answer
    x = 62,330.53

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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.