Home / 86,531.76-119,424.78-50,225.45

Finding the Fourth Proportional to 86,531.76, 119,424.78 and 50,225.45

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Solution

The fourth proportional to 86,531.76, 119,424.78 and 50,225.45 is: 69,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531.76 : 119,424.78 = 50,225.45 : x
  2. Step 2: Convert to fraction form
    86,531.76/119,424.78 = 50,225.45/x
  3. Step 3: Cross multiply
    86,531.76x = 119,424.78 × 50,225.45
  4. Step 4: Simplify right side
    86,531.76x = 5,998,162,719.53
  5. Step 5: Solve for x
    x = 5,998,162,719.53/86,531.76
  6. Step 6: Final answer
    x = 69,317.47

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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.