Home / 54,886.18-75,747.38-31,017.81

Finding the Fourth Proportional to 54,886.18, 75,747.38 and 31,017.81

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Solution

The fourth proportional to 54,886.18, 75,747.38 and 31,017.81 is: 42,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.18 : 75,747.38 = 31,017.81 : x
  2. Step 2: Convert to fraction form
    54,886.18/75,747.38 = 31,017.81/x
  3. Step 3: Cross multiply
    54,886.18x = 75,747.38 × 31,017.81
  4. Step 4: Simplify right side
    54,886.18x = 2,349,517,840.84
  5. Step 5: Solve for x
    x = 2,349,517,840.84/54,886.18
  6. Step 6: Final answer
    x = 42,807.09

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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.