Home / 81,174.06-112,016.03-45,357.08

Finding the Fourth Proportional to 81,174.06, 112,016.03 and 45,357.08

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Solution

The fourth proportional to 81,174.06, 112,016.03 and 45,357.08 is: 62,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,174.06 : 112,016.03 = 45,357.08 : x
  2. Step 2: Convert to fraction form
    81,174.06/112,016.03 = 45,357.08/x
  3. Step 3: Cross multiply
    81,174.06x = 112,016.03 × 45,357.08
  4. Step 4: Simplify right side
    81,174.06x = 5,080,719,247.13
  5. Step 5: Solve for x
    x = 5,080,719,247.13/81,174.06
  6. Step 6: Final answer
    x = 62,590.43

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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.