Home / 54,810.76-75,639.56-34,646.64

Finding the Fourth Proportional to 54,810.76, 75,639.56 and 34,646.64

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Solution

The fourth proportional to 54,810.76, 75,639.56 and 34,646.64 is: 47,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.76 : 75,639.56 = 34,646.64 : x
  2. Step 2: Convert to fraction form
    54,810.76/75,639.56 = 34,646.64/x
  3. Step 3: Cross multiply
    54,810.76x = 75,639.56 × 34,646.64
  4. Step 4: Simplify right side
    54,810.76x = 2,620,656,605.08
  5. Step 5: Solve for x
    x = 2,620,656,605.08/54,810.76
  6. Step 6: Final answer
    x = 47,812.81

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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.