Home / 86,500.60-119,371.74-48,774.84

Finding the Fourth Proportional to 86,500.60, 119,371.74 and 48,774.84

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Solution

The fourth proportional to 86,500.60, 119,371.74 and 48,774.84 is: 67,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.60 : 119,371.74 = 48,774.84 : x
  2. Step 2: Convert to fraction form
    86,500.60/119,371.74 = 48,774.84/x
  3. Step 3: Cross multiply
    86,500.60x = 119,371.74 × 48,774.84
  4. Step 4: Simplify right side
    86,500.60x = 5,822,337,519.02
  5. Step 5: Solve for x
    x = 5,822,337,519.02/86,500.60
  6. Step 6: Final answer
    x = 67,309.79

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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.