Home / 71,297.08-98,388.78-39,465.29

Finding the Fourth Proportional to 71,297.08, 98,388.78 and 39,465.29

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Solution

The fourth proportional to 71,297.08, 98,388.78 and 39,465.29 is: 54,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,297.08 : 98,388.78 = 39,465.29 : x
  2. Step 2: Convert to fraction form
    71,297.08/98,388.78 = 39,465.29/x
  3. Step 3: Cross multiply
    71,297.08x = 98,388.78 × 39,465.29
  4. Step 4: Simplify right side
    71,297.08x = 3,882,941,833.42
  5. Step 5: Solve for x
    x = 3,882,941,833.42/71,297.08
  6. Step 6: Final answer
    x = 54,461.44

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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.