Home / 55,115.19-76,060.88-31,241.65

Finding the Fourth Proportional to 55,115.19, 76,060.88 and 31,241.65

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Solution

The fourth proportional to 55,115.19, 76,060.88 and 31,241.65 is: 43,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,115.19 : 76,060.88 = 31,241.65 : x
  2. Step 2: Convert to fraction form
    55,115.19/76,060.88 = 31,241.65/x
  3. Step 3: Cross multiply
    55,115.19x = 76,060.88 × 31,241.65
  4. Step 4: Simplify right side
    55,115.19x = 2,376,267,391.65
  5. Step 5: Solve for x
    x = 2,376,267,391.65/55,115.19
  6. Step 6: Final answer
    x = 43,114.56

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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.