Home / 86,501.26-119,371.76-48,775.51

Finding the Fourth Proportional to 86,501.26, 119,371.76 and 48,775.51

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Solution

The fourth proportional to 86,501.26, 119,371.76 and 48,775.51 is: 67,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.26 : 119,371.76 = 48,775.51 : x
  2. Step 2: Convert to fraction form
    86,501.26/119,371.76 = 48,775.51/x
  3. Step 3: Cross multiply
    86,501.26x = 119,371.76 × 48,775.51
  4. Step 4: Simplify right side
    86,501.26x = 5,822,418,473.60
  5. Step 5: Solve for x
    x = 5,822,418,473.60/86,501.26
  6. Step 6: Final answer
    x = 67,310.22

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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.