Home / 86,602.38-129,907.34-27,442.41

Finding the Fourth Proportional to 86,602.38, 129,907.34 and 27,442.41

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Solution

The fourth proportional to 86,602.38, 129,907.34 and 27,442.41 is: 41,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,602.38 : 129,907.34 = 27,442.41 : x
  2. Step 2: Convert to fraction form
    86,602.38/129,907.34 = 27,442.41/x
  3. Step 3: Cross multiply
    86,602.38x = 129,907.34 × 27,442.41
  4. Step 4: Simplify right side
    86,602.38x = 3,564,970,486.29
  5. Step 5: Solve for x
    x = 3,564,970,486.29/86,602.38
  6. Step 6: Final answer
    x = 41,164.81

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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.