Home / 87,216.84-120,360.06-49,488.12

Finding the Fourth Proportional to 87,216.84, 120,360.06 and 49,488.12

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Solution

The fourth proportional to 87,216.84, 120,360.06 and 49,488.12 is: 68,294.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216.84 : 120,360.06 = 49,488.12 : x
  2. Step 2: Convert to fraction form
    87,216.84/120,360.06 = 49,488.12/x
  3. Step 3: Cross multiply
    87,216.84x = 120,360.06 × 49,488.12
  4. Step 4: Simplify right side
    87,216.84x = 5,956,393,092.49
  5. Step 5: Solve for x
    x = 5,956,393,092.49/87,216.84
  6. Step 6: Final answer
    x = 68,294.07

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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.