Home / 54,887.53-75,743.80-31,013.69

Finding the Fourth Proportional to 54,887.53, 75,743.80 and 31,013.69

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Solution

The fourth proportional to 54,887.53, 75,743.80 and 31,013.69 is: 42,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.53 : 75,743.80 = 31,013.69 : x
  2. Step 2: Convert to fraction form
    54,887.53/75,743.80 = 31,013.69/x
  3. Step 3: Cross multiply
    54,887.53x = 75,743.80 × 31,013.69
  4. Step 4: Simplify right side
    54,887.53x = 2,349,094,732.62
  5. Step 5: Solve for x
    x = 2,349,094,732.62/54,887.53
  6. Step 6: Final answer
    x = 42,798.33

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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.