Home / 60,731.74-91,125.29-31,170.33

Finding the Fourth Proportional to 60,731.74, 91,125.29 and 31,170.33

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Solution

The fourth proportional to 60,731.74, 91,125.29 and 31,170.33 is: 46,769.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.74 : 91,125.29 = 31,170.33 : x
  2. Step 2: Convert to fraction form
    60,731.74/91,125.29 = 31,170.33/x
  3. Step 3: Cross multiply
    60,731.74x = 91,125.29 × 31,170.33
  4. Step 4: Simplify right side
    60,731.74x = 2,840,405,360.65
  5. Step 5: Solve for x
    x = 2,840,405,360.65/60,731.74
  6. Step 6: Final answer
    x = 46,769.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.