Home / 87,249.76-130,703.32-57,577.03

Finding the Fourth Proportional to 87,249.76, 130,703.32 and 57,577.03

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Solution

The fourth proportional to 87,249.76, 130,703.32 and 57,577.03 is: 86,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,249.76 : 130,703.32 = 57,577.03 : x
  2. Step 2: Convert to fraction form
    87,249.76/130,703.32 = 57,577.03/x
  3. Step 3: Cross multiply
    87,249.76x = 130,703.32 × 57,577.03
  4. Step 4: Simplify right side
    87,249.76x = 7,525,508,721.95
  5. Step 5: Solve for x
    x = 7,525,508,721.95/87,249.76
  6. Step 6: Final answer
    x = 86,252.49

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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.