Home / 87,001.41-120,119.79-66,822.22

Finding the Fourth Proportional to 87,001.41, 120,119.79 and 66,822.22

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Solution

The fourth proportional to 87,001.41, 120,119.79 and 66,822.22 is: 92,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.41 : 120,119.79 = 66,822.22 : x
  2. Step 2: Convert to fraction form
    87,001.41/120,119.79 = 66,822.22/x
  3. Step 3: Cross multiply
    87,001.41x = 120,119.79 × 66,822.22
  4. Step 4: Simplify right side
    87,001.41x = 8,026,671,033.73
  5. Step 5: Solve for x
    x = 8,026,671,033.73/87,001.41
  6. Step 6: Final answer
    x = 92,259.09

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1.5x scale

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.