Home / 87,326.54-130,883.90-61,986.23

Finding the Fourth Proportional to 87,326.54, 130,883.90 and 61,986.23

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Solution

The fourth proportional to 87,326.54, 130,883.90 and 61,986.23 is: 92,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,326.54 : 130,883.90 = 61,986.23 : x
  2. Step 2: Convert to fraction form
    87,326.54/130,883.90 = 61,986.23/x
  3. Step 3: Cross multiply
    87,326.54x = 130,883.90 × 61,986.23
  4. Step 4: Simplify right side
    87,326.54x = 8,112,998,564.35
  5. Step 5: Solve for x
    x = 8,112,998,564.35/87,326.54
  6. Step 6: Final answer
    x = 92,904.16

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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.