Home / 87,000.67-120,058.92-50,699.80

Finding the Fourth Proportional to 87,000.67, 120,058.92 and 50,699.80

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Solution

The fourth proportional to 87,000.67, 120,058.92 and 50,699.80 is: 69,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.67 : 120,058.92 = 50,699.80 : x
  2. Step 2: Convert to fraction form
    87,000.67/120,058.92 = 50,699.80/x
  3. Step 3: Cross multiply
    87,000.67x = 120,058.92 × 50,699.80
  4. Step 4: Simplify right side
    87,000.67x = 6,086,963,232.22
  5. Step 5: Solve for x
    x = 6,086,963,232.22/87,000.67
  6. Step 6: Final answer
    x = 69,964.56

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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.