Home / 86,244.69-129,357.94-23,071.20

Finding the Fourth Proportional to 86,244.69, 129,357.94 and 23,071.20

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Solution

The fourth proportional to 86,244.69, 129,357.94 and 23,071.20 is: 34,604.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244.69 : 129,357.94 = 23,071.20 : x
  2. Step 2: Convert to fraction form
    86,244.69/129,357.94 = 23,071.20/x
  3. Step 3: Cross multiply
    86,244.69x = 129,357.94 × 23,071.20
  4. Step 4: Simplify right side
    86,244.69x = 2,984,442,905.33
  5. Step 5: Solve for x
    x = 2,984,442,905.33/86,244.69
  6. Step 6: Final answer
    x = 34,604.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.