Home / 80,996.72-111,775.14-45,186.71

Finding the Fourth Proportional to 80,996.72, 111,775.14 and 45,186.71

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Solution

The fourth proportional to 80,996.72, 111,775.14 and 45,186.71 is: 62,357.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,996.72 : 111,775.14 = 45,186.71 : x
  2. Step 2: Convert to fraction form
    80,996.72/111,775.14 = 45,186.71/x
  3. Step 3: Cross multiply
    80,996.72x = 111,775.14 × 45,186.71
  4. Step 4: Simplify right side
    80,996.72x = 5,050,750,277.51
  5. Step 5: Solve for x
    x = 5,050,750,277.51/80,996.72
  6. Step 6: Final answer
    x = 62,357.47

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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.