Home / 85,089.26-117,301.48-62,388.20

Finding the Fourth Proportional to 85,089.26, 117,301.48 and 62,388.20

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Solution

The fourth proportional to 85,089.26, 117,301.48 and 62,388.20 is: 86,006.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,089.26 : 117,301.48 = 62,388.20 : x
  2. Step 2: Convert to fraction form
    85,089.26/117,301.48 = 62,388.20/x
  3. Step 3: Cross multiply
    85,089.26x = 117,301.48 × 62,388.20
  4. Step 4: Simplify right side
    85,089.26x = 7,318,227,452.06
  5. Step 5: Solve for x
    x = 7,318,227,452.06/85,089.26
  6. Step 6: Final answer
    x = 86,006.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.