Home / 86,949.54-119,990.97-48,710.45

Finding the Fourth Proportional to 86,949.54, 119,990.97 and 48,710.45

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Solution

The fourth proportional to 86,949.54, 119,990.97 and 48,710.45 is: 67,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949.54 : 119,990.97 = 48,710.45 : x
  2. Step 2: Convert to fraction form
    86,949.54/119,990.97 = 48,710.45/x
  3. Step 3: Cross multiply
    86,949.54x = 119,990.97 × 48,710.45
  4. Step 4: Simplify right side
    86,949.54x = 5,844,814,444.61
  5. Step 5: Solve for x
    x = 5,844,814,444.61/86,949.54
  6. Step 6: Final answer
    x = 67,220.76

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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.