Home / 86,983.00-130,252.96-57,310.90

Finding the Fourth Proportional to 86,983.00, 130,252.96 and 57,310.90

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Solution

The fourth proportional to 86,983.00, 130,252.96 and 57,310.90 is: 85,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,983.00 : 130,252.96 = 57,310.90 : x
  2. Step 2: Convert to fraction form
    86,983.00/130,252.96 = 57,310.90/x
  3. Step 3: Cross multiply
    86,983.00x = 130,252.96 × 57,310.90
  4. Step 4: Simplify right side
    86,983.00x = 7,464,914,111.27
  5. Step 5: Solve for x
    x = 7,464,914,111.27/86,983.00
  6. Step 6: Final answer
    x = 85,820.38

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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.