Home / 86,907.62-130,354.41-34,317.56

Finding the Fourth Proportional to 86,907.62, 130,354.41 and 34,317.56

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Solution

The fourth proportional to 86,907.62, 130,354.41 and 34,317.56 is: 51,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907.62 : 130,354.41 = 34,317.56 : x
  2. Step 2: Convert to fraction form
    86,907.62/130,354.41 = 34,317.56/x
  3. Step 3: Cross multiply
    86,907.62x = 130,354.41 × 34,317.56
  4. Step 4: Simplify right side
    86,907.62x = 4,473,445,286.44
  5. Step 5: Solve for x
    x = 4,473,445,286.44/86,907.62
  6. Step 6: Final answer
    x = 51,473.57

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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.