Home / 51,905.89-77,864.28-23,821.15

Finding the Fourth Proportional to 51,905.89, 77,864.28 and 23,821.15

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Solution

The fourth proportional to 51,905.89, 77,864.28 and 23,821.15 is: 35,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.89 : 77,864.28 = 23,821.15 : x
  2. Step 2: Convert to fraction form
    51,905.89/77,864.28 = 23,821.15/x
  3. Step 3: Cross multiply
    51,905.89x = 77,864.28 × 23,821.15
  4. Step 4: Simplify right side
    51,905.89x = 1,854,816,693.52
  5. Step 5: Solve for x
    x = 1,854,816,693.52/51,905.89
  6. Step 6: Final answer
    x = 35,734.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.