Home / 86,994.57-120,060.93-48,760.61

Finding the Fourth Proportional to 86,994.57, 120,060.93 and 48,760.61

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Solution

The fourth proportional to 86,994.57, 120,060.93 and 48,760.61 is: 67,294.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,994.57 : 120,060.93 = 48,760.61 : x
  2. Step 2: Convert to fraction form
    86,994.57/120,060.93 = 48,760.61/x
  3. Step 3: Cross multiply
    86,994.57x = 120,060.93 × 48,760.61
  4. Step 4: Simplify right side
    86,994.57x = 5,854,244,062.07
  5. Step 5: Solve for x
    x = 5,854,244,062.07/86,994.57
  6. Step 6: Final answer
    x = 67,294.36

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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.