Home / 54,627.76-75,386.08-30,429.01

Finding the Fourth Proportional to 54,627.76, 75,386.08 and 30,429.01

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Solution

The fourth proportional to 54,627.76, 75,386.08 and 30,429.01 is: 41,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.76 : 75,386.08 = 30,429.01 : x
  2. Step 2: Convert to fraction form
    54,627.76/75,386.08 = 30,429.01/x
  3. Step 3: Cross multiply
    54,627.76x = 75,386.08 × 30,429.01
  4. Step 4: Simplify right side
    54,627.76x = 2,293,923,711.97
  5. Step 5: Solve for x
    x = 2,293,923,711.97/54,627.76
  6. Step 6: Final answer
    x = 41,991.91

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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.