Home / 86,214.24-129,317.76-23,883.12

Finding the Fourth Proportional to 86,214.24, 129,317.76 and 23,883.12

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Solution

The fourth proportional to 86,214.24, 129,317.76 and 23,883.12 is: 35,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.24 : 129,317.76 = 23,883.12 : x
  2. Step 2: Convert to fraction form
    86,214.24/129,317.76 = 23,883.12/x
  3. Step 3: Cross multiply
    86,214.24x = 129,317.76 × 23,883.12
  4. Step 4: Simplify right side
    86,214.24x = 3,088,511,580.21
  5. Step 5: Solve for x
    x = 3,088,511,580.21/86,214.24
  6. Step 6: Final answer
    x = 35,823.68

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Similar ratio
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1.5x scale

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.