Home / 75,710.03-104,478.46-41,721.65

Finding the Fourth Proportional to 75,710.03, 104,478.46 and 41,721.65

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Solution

The fourth proportional to 75,710.03, 104,478.46 and 41,721.65 is: 57,575.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,710.03 : 104,478.46 = 41,721.65 : x
  2. Step 2: Convert to fraction form
    75,710.03/104,478.46 = 41,721.65/x
  3. Step 3: Cross multiply
    75,710.03x = 104,478.46 × 41,721.65
  4. Step 4: Simplify right side
    75,710.03x = 4,359,013,505.76
  5. Step 5: Solve for x
    x = 4,359,013,505.76/75,710.03
  6. Step 6: Final answer
    x = 57,575.12

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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.