Home / 54,065.77-81,113.28-48,860.71

Finding the Fourth Proportional to 54,065.77, 81,113.28 and 48,860.71

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Solution

The fourth proportional to 54,065.77, 81,113.28 and 48,860.71 is: 73,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,065.77 : 81,113.28 = 48,860.71 : x
  2. Step 2: Convert to fraction form
    54,065.77/81,113.28 = 48,860.71/x
  3. Step 3: Cross multiply
    54,065.77x = 81,113.28 × 48,860.71
  4. Step 4: Simplify right side
    54,065.77x = 3,963,252,451.23
  5. Step 5: Solve for x
    x = 3,963,252,451.23/54,065.77
  6. Step 6: Final answer
    x = 73,304.28

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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.