Home / 115,331.88-172,847.10-59,124.36

Finding the Fourth Proportional to 115,331.88, 172,847.10 and 59,124.36

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Solution

The fourth proportional to 115,331.88, 172,847.10 and 59,124.36 is: 88,609.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,331.88 : 172,847.10 = 59,124.36 : x
  2. Step 2: Convert to fraction form
    115,331.88/172,847.10 = 59,124.36/x
  3. Step 3: Cross multiply
    115,331.88x = 172,847.10 × 59,124.36
  4. Step 4: Simplify right side
    115,331.88x = 10,219,474,165.36
  5. Step 5: Solve for x
    x = 10,219,474,165.36/115,331.88
  6. Step 6: Final answer
    x = 88,609.27

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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.