Home / 54,890.04-75,747.26-31,016.19

Finding the Fourth Proportional to 54,890.04, 75,747.26 and 31,016.19

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Solution

The fourth proportional to 54,890.04, 75,747.26 and 31,016.19 is: 42,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.04 : 75,747.26 = 31,016.19 : x
  2. Step 2: Convert to fraction form
    54,890.04/75,747.26 = 31,016.19/x
  3. Step 3: Cross multiply
    54,890.04x = 75,747.26 × 31,016.19
  4. Step 4: Simplify right side
    54,890.04x = 2,349,391,408.14
  5. Step 5: Solve for x
    x = 2,349,391,408.14/54,890.04
  6. Step 6: Final answer
    x = 42,801.78

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1.5x scale

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.