Home / 86,636.10-129,967.17-36,716.46

Finding the Fourth Proportional to 86,636.10, 129,967.17 and 36,716.46

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Solution

The fourth proportional to 86,636.10, 129,967.17 and 36,716.46 is: 55,080.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.10 : 129,967.17 = 36,716.46 : x
  2. Step 2: Convert to fraction form
    86,636.10/129,967.17 = 36,716.46/x
  3. Step 3: Cross multiply
    86,636.10x = 129,967.17 × 36,716.46
  4. Step 4: Simplify right side
    86,636.10x = 4,771,934,398.62
  5. Step 5: Solve for x
    x = 4,771,934,398.62/86,636.10
  6. Step 6: Final answer
    x = 55,080.21

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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.