Home / 87,055.56-130,570.38-27,885.06

Finding the Fourth Proportional to 87,055.56, 130,570.38 and 27,885.06

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Solution

The fourth proportional to 87,055.56, 130,570.38 and 27,885.06 is: 41,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,055.56 : 130,570.38 = 27,885.06 : x
  2. Step 2: Convert to fraction form
    87,055.56/130,570.38 = 27,885.06/x
  3. Step 3: Cross multiply
    87,055.56x = 130,570.38 × 27,885.06
  4. Step 4: Simplify right side
    87,055.56x = 3,640,962,880.52
  5. Step 5: Solve for x
    x = 3,640,962,880.52/87,055.56
  6. Step 6: Final answer
    x = 41,823.44

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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.