Home / 87,053.72-130,583.67-27,881.70

Finding the Fourth Proportional to 87,053.72, 130,583.67 and 27,881.70

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Solution

The fourth proportional to 87,053.72, 130,583.67 and 27,881.70 is: 41,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,053.72 : 130,583.67 = 27,881.70 : x
  2. Step 2: Convert to fraction form
    87,053.72/130,583.67 = 27,881.70/x
  3. Step 3: Cross multiply
    87,053.72x = 130,583.67 × 27,881.70
  4. Step 4: Simplify right side
    87,053.72x = 3,640,894,117.59
  5. Step 5: Solve for x
    x = 3,640,894,117.59/87,053.72
  6. Step 6: Final answer
    x = 41,823.54

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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.