Home / 54,885.17-75,743.01-31,011.29

Finding the Fourth Proportional to 54,885.17, 75,743.01 and 31,011.29

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Solution

The fourth proportional to 54,885.17, 75,743.01 and 31,011.29 is: 42,796.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.17 : 75,743.01 = 31,011.29 : x
  2. Step 2: Convert to fraction form
    54,885.17/75,743.01 = 31,011.29/x
  3. Step 3: Cross multiply
    54,885.17x = 75,743.01 × 31,011.29
  4. Step 4: Simplify right side
    54,885.17x = 2,348,888,293.53
  5. Step 5: Solve for x
    x = 2,348,888,293.53/54,885.17
  6. Step 6: Final answer
    x = 42,796.41

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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.