Home / 87,000.13-120,058.16-50,699.26

Finding the Fourth Proportional to 87,000.13, 120,058.16 and 50,699.26

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Solution

The fourth proportional to 87,000.13, 120,058.16 and 50,699.26 is: 69,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.13 : 120,058.16 = 50,699.26 : x
  2. Step 2: Convert to fraction form
    87,000.13/120,058.16 = 50,699.26/x
  3. Step 3: Cross multiply
    87,000.13x = 120,058.16 × 50,699.26
  4. Step 4: Simplify right side
    87,000.13x = 6,086,859,015.17
  5. Step 5: Solve for x
    x = 6,086,859,015.17/87,000.13
  6. Step 6: Final answer
    x = 69,963.80

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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.