Home / 87,797.10-121,127.36-57,599.22

Finding the Fourth Proportional to 87,797.10, 121,127.36 and 57,599.22

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Solution

The fourth proportional to 87,797.10, 121,127.36 and 57,599.22 is: 79,465.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,797.10 : 121,127.36 = 57,599.22 : x
  2. Step 2: Convert to fraction form
    87,797.10/121,127.36 = 57,599.22/x
  3. Step 3: Cross multiply
    87,797.10x = 121,127.36 × 57,599.22
  4. Step 4: Simplify right side
    87,797.10x = 6,976,841,456.66
  5. Step 5: Solve for x
    x = 6,976,841,456.66/87,797.10
  6. Step 6: Final answer
    x = 79,465.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.