Home / 86,467.60-129,710.04-26,495.38

Finding the Fourth Proportional to 86,467.60, 129,710.04 and 26,495.38

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Solution

The fourth proportional to 86,467.60, 129,710.04 and 26,495.38 is: 39,745.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,467.60 : 129,710.04 = 26,495.38 : x
  2. Step 2: Convert to fraction form
    86,467.60/129,710.04 = 26,495.38/x
  3. Step 3: Cross multiply
    86,467.60x = 129,710.04 × 26,495.38
  4. Step 4: Simplify right side
    86,467.60x = 3,436,716,799.62
  5. Step 5: Solve for x
    x = 3,436,716,799.62/86,467.60
  6. Step 6: Final answer
    x = 39,745.72

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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.