Home / 87,977.66-121,509.44-59,634.14

Finding the Fourth Proportional to 87,977.66, 121,509.44 and 59,634.14

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Solution

The fourth proportional to 87,977.66, 121,509.44 and 59,634.14 is: 82,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,977.66 : 121,509.44 = 59,634.14 : x
  2. Step 2: Convert to fraction form
    87,977.66/121,509.44 = 59,634.14/x
  3. Step 3: Cross multiply
    87,977.66x = 121,509.44 × 59,634.14
  4. Step 4: Simplify right side
    87,977.66x = 7,246,110,658.11
  5. Step 5: Solve for x
    x = 7,246,110,658.11/87,977.66
  6. Step 6: Final answer
    x = 82,363.08

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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.