Home / 86,500.76-119,371.07-48,775.01

Finding the Fourth Proportional to 86,500.76, 119,371.07 and 48,775.01

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Solution

The fourth proportional to 86,500.76, 119,371.07 and 48,775.01 is: 67,309.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.76 : 119,371.07 = 48,775.01 : x
  2. Step 2: Convert to fraction form
    86,500.76/119,371.07 = 48,775.01/x
  3. Step 3: Cross multiply
    86,500.76x = 119,371.07 × 48,775.01
  4. Step 4: Simplify right side
    86,500.76x = 5,822,324,889.09
  5. Step 5: Solve for x
    x = 5,822,324,889.09/86,500.76
  6. Step 6: Final answer
    x = 67,309.52

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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.