Home / 87,547.42-131,110.70-49,993.80

Finding the Fourth Proportional to 87,547.42, 131,110.70 and 49,993.80

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Solution

The fourth proportional to 87,547.42, 131,110.70 and 49,993.80 is: 74,870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,547.42 : 131,110.70 = 49,993.80 : x
  2. Step 2: Convert to fraction form
    87,547.42/131,110.70 = 49,993.80/x
  3. Step 3: Cross multiply
    87,547.42x = 131,110.70 × 49,993.80
  4. Step 4: Simplify right side
    87,547.42x = 6,554,722,113.66
  5. Step 5: Solve for x
    x = 6,554,722,113.66/87,547.42
  6. Step 6: Final answer
    x = 74,870.53

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1.5x scale

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.