Home / 81,476.03-112,434.98-45,177.29

Finding the Fourth Proportional to 81,476.03, 112,434.98 and 45,177.29

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Solution

The fourth proportional to 81,476.03, 112,434.98 and 45,177.29 is: 62,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,476.03 : 112,434.98 = 45,177.29 : x
  2. Step 2: Convert to fraction form
    81,476.03/112,434.98 = 45,177.29/x
  3. Step 3: Cross multiply
    81,476.03x = 112,434.98 × 45,177.29
  4. Step 4: Simplify right side
    81,476.03x = 5,079,507,471.72
  5. Step 5: Solve for x
    x = 5,079,507,471.72/81,476.03
  6. Step 6: Final answer
    x = 62,343.58

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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.