Home / 80,973.64-111,743.82-45,165.97

Finding the Fourth Proportional to 80,973.64, 111,743.82 and 45,165.97

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Solution

The fourth proportional to 80,973.64, 111,743.82 and 45,165.97 is: 62,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,973.64 : 111,743.82 = 45,165.97 : x
  2. Step 2: Convert to fraction form
    80,973.64/111,743.82 = 45,165.97/x
  3. Step 3: Cross multiply
    80,973.64x = 111,743.82 × 45,165.97
  4. Step 4: Simplify right side
    80,973.64x = 5,047,018,021.81
  5. Step 5: Solve for x
    x = 5,047,018,021.81/80,973.64
  6. Step 6: Final answer
    x = 62,329.15

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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.