Home / 54,870.48-75,721.28-29,719.98

Finding the Fourth Proportional to 54,870.48, 75,721.28 and 29,719.98

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Solution

The fourth proportional to 54,870.48, 75,721.28 and 29,719.98 is: 41,013.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,870.48 : 75,721.28 = 29,719.98 : x
  2. Step 2: Convert to fraction form
    54,870.48/75,721.28 = 29,719.98/x
  3. Step 3: Cross multiply
    54,870.48x = 75,721.28 × 29,719.98
  4. Step 4: Simplify right side
    54,870.48x = 2,250,434,778.57
  5. Step 5: Solve for x
    x = 2,250,434,778.57/54,870.48
  6. Step 6: Final answer
    x = 41,013.58

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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.