Home / 66,309.03-99,427.19-26,287.47

Finding the Fourth Proportional to 66,309.03, 99,427.19 and 26,287.47

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Solution

The fourth proportional to 66,309.03, 99,427.19 and 26,287.47 is: 39,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.03 : 99,427.19 = 26,287.47 : x
  2. Step 2: Convert to fraction form
    66,309.03/99,427.19 = 26,287.47/x
  3. Step 3: Cross multiply
    66,309.03x = 99,427.19 × 26,287.47
  4. Step 4: Simplify right side
    66,309.03x = 2,613,689,274.31
  5. Step 5: Solve for x
    x = 2,613,689,274.31/66,309.03
  6. Step 6: Final answer
    x = 39,416.79

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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.