Home / 87,994.08-121,430.34-49,753.04

Finding the Fourth Proportional to 87,994.08, 121,430.34 and 49,753.04

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Solution

The fourth proportional to 87,994.08, 121,430.34 and 49,753.04 is: 68,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,994.08 : 121,430.34 = 49,753.04 : x
  2. Step 2: Convert to fraction form
    87,994.08/121,430.34 = 49,753.04/x
  3. Step 3: Cross multiply
    87,994.08x = 121,430.34 × 49,753.04
  4. Step 4: Simplify right side
    87,994.08x = 6,041,527,956.08
  5. Step 5: Solve for x
    x = 6,041,527,956.08/87,994.08
  6. Step 6: Final answer
    x = 68,658.35

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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.