Home / 87,258.06-130,930.83-34,682.58

Finding the Fourth Proportional to 87,258.06, 130,930.83 and 34,682.58

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Solution

The fourth proportional to 87,258.06, 130,930.83 and 34,682.58 is: 52,041.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,258.06 : 130,930.83 = 34,682.58 : x
  2. Step 2: Convert to fraction form
    87,258.06/130,930.83 = 34,682.58/x
  3. Step 3: Cross multiply
    87,258.06x = 130,930.83 × 34,682.58
  4. Step 4: Simplify right side
    87,258.06x = 4,541,018,985.94
  5. Step 5: Solve for x
    x = 4,541,018,985.94/87,258.06
  6. Step 6: Final answer
    x = 52,041.26

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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.