Home / 87,186.41-130,830.07-36,580.90

Finding the Fourth Proportional to 87,186.41, 130,830.07 and 36,580.90

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Solution

The fourth proportional to 87,186.41, 130,830.07 and 36,580.90 is: 54,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186.41 : 130,830.07 = 36,580.90 : x
  2. Step 2: Convert to fraction form
    87,186.41/130,830.07 = 36,580.90/x
  3. Step 3: Cross multiply
    87,186.41x = 130,830.07 × 36,580.90
  4. Step 4: Simplify right side
    87,186.41x = 4,785,881,707.66
  5. Step 5: Solve for x
    x = 4,785,881,707.66/87,186.41
  6. Step 6: Final answer
    x = 54,892.52

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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.