Home / 87,758.88-121,058.04-53,783.83

Finding the Fourth Proportional to 87,758.88, 121,058.04 and 53,783.83

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Solution

The fourth proportional to 87,758.88, 121,058.04 and 53,783.83 is: 74,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,758.88 : 121,058.04 = 53,783.83 : x
  2. Step 2: Convert to fraction form
    87,758.88/121,058.04 = 53,783.83/x
  3. Step 3: Cross multiply
    87,758.88x = 121,058.04 × 53,783.83
  4. Step 4: Simplify right side
    87,758.88x = 6,510,965,043.49
  5. Step 5: Solve for x
    x = 6,510,965,043.49/87,758.88
  6. Step 6: Final answer
    x = 74,191.52

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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.