Home / 54,569.09-75,304.58-30,695.76

Finding the Fourth Proportional to 54,569.09, 75,304.58 and 30,695.76

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Solution

The fourth proportional to 54,569.09, 75,304.58 and 30,695.76 is: 42,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,569.09 : 75,304.58 = 30,695.76 : x
  2. Step 2: Convert to fraction form
    54,569.09/75,304.58 = 30,695.76/x
  3. Step 3: Cross multiply
    54,569.09x = 75,304.58 × 30,695.76
  4. Step 4: Simplify right side
    54,569.09x = 2,311,531,161.10
  5. Step 5: Solve for x
    x = 2,311,531,161.10/54,569.09
  6. Step 6: Final answer
    x = 42,359.72

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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.