Home / 81,060.11-111,862.52-47,076.94

Finding the Fourth Proportional to 81,060.11, 111,862.52 and 47,076.94

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Solution

The fourth proportional to 81,060.11, 111,862.52 and 47,076.94 is: 64,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,060.11 : 111,862.52 = 47,076.94 : x
  2. Step 2: Convert to fraction form
    81,060.11/111,862.52 = 47,076.94/x
  3. Step 3: Cross multiply
    81,060.11x = 111,862.52 × 47,076.94
  4. Step 4: Simplify right side
    81,060.11x = 5,266,145,223.27
  5. Step 5: Solve for x
    x = 5,266,145,223.27/81,060.11
  6. Step 6: Final answer
    x = 64,965.93

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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.