Home / 54,966.25-75,844.79-31,085.29

Finding the Fourth Proportional to 54,966.25, 75,844.79 and 31,085.29

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Solution

The fourth proportional to 54,966.25, 75,844.79 and 31,085.29 is: 42,892.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966.25 : 75,844.79 = 31,085.29 : x
  2. Step 2: Convert to fraction form
    54,966.25/75,844.79 = 31,085.29/x
  3. Step 3: Cross multiply
    54,966.25x = 75,844.79 × 31,085.29
  4. Step 4: Simplify right side
    54,966.25x = 2,357,657,136.71
  5. Step 5: Solve for x
    x = 2,357,657,136.71/54,966.25
  6. Step 6: Final answer
    x = 42,892.81

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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.