Home / 71,535.36-98,719.08-39,704.28

Finding the Fourth Proportional to 71,535.36, 98,719.08 and 39,704.28

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Solution

The fourth proportional to 71,535.36, 98,719.08 and 39,704.28 is: 54,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535.36 : 98,719.08 = 39,704.28 : x
  2. Step 2: Convert to fraction form
    71,535.36/98,719.08 = 39,704.28/x
  3. Step 3: Cross multiply
    71,535.36x = 98,719.08 × 39,704.28
  4. Step 4: Simplify right side
    71,535.36x = 3,919,569,993.66
  5. Step 5: Solve for x
    x = 3,919,569,993.66/71,535.36
  6. Step 6: Final answer
    x = 54,792.06

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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.