Home / 55,034.64-75,949.38-31,165.02

Finding the Fourth Proportional to 55,034.64, 75,949.38 and 31,165.02

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Solution

The fourth proportional to 55,034.64, 75,949.38 and 31,165.02 is: 43,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.64 : 75,949.38 = 31,165.02 : x
  2. Step 2: Convert to fraction form
    55,034.64/75,949.38 = 31,165.02/x
  3. Step 3: Cross multiply
    55,034.64x = 75,949.38 × 31,165.02
  4. Step 4: Simplify right side
    55,034.64x = 2,366,963,946.69
  5. Step 5: Solve for x
    x = 2,366,963,946.69/55,034.64
  6. Step 6: Final answer
    x = 43,008.62

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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.