Home / 87,579.15-120,852.37-49,337.02

Finding the Fourth Proportional to 87,579.15, 120,852.37 and 49,337.02

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Solution

The fourth proportional to 87,579.15, 120,852.37 and 49,337.02 is: 68,081.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,579.15 : 120,852.37 = 49,337.02 : x
  2. Step 2: Convert to fraction form
    87,579.15/120,852.37 = 49,337.02/x
  3. Step 3: Cross multiply
    87,579.15x = 120,852.37 × 49,337.02
  4. Step 4: Simplify right side
    87,579.15x = 5,962,495,795.74
  5. Step 5: Solve for x
    x = 5,962,495,795.74/87,579.15
  6. Step 6: Final answer
    x = 68,081.22

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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.