Home / 86,967.10-130,419.91-41,369.43

Finding the Fourth Proportional to 86,967.10, 130,419.91 and 41,369.43

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Solution

The fourth proportional to 86,967.10, 130,419.91 and 41,369.43 is: 62,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,967.10 : 130,419.91 = 41,369.43 : x
  2. Step 2: Convert to fraction form
    86,967.10/130,419.91 = 41,369.43/x
  3. Step 3: Cross multiply
    86,967.10x = 130,419.91 × 41,369.43
  4. Step 4: Simplify right side
    86,967.10x = 5,395,397,337.35
  5. Step 5: Solve for x
    x = 5,395,397,337.35/86,967.10
  6. Step 6: Final answer
    x = 62,039.52

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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.