Home / 71,064.36-98,069.12-39,233.52

Finding the Fourth Proportional to 71,064.36, 98,069.12 and 39,233.52

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Solution

The fourth proportional to 71,064.36, 98,069.12 and 39,233.52 is: 54,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,064.36 : 98,069.12 = 39,233.52 : x
  2. Step 2: Convert to fraction form
    71,064.36/98,069.12 = 39,233.52/x
  3. Step 3: Cross multiply
    71,064.36x = 98,069.12 × 39,233.52
  4. Step 4: Simplify right side
    71,064.36x = 3,847,596,780.90
  5. Step 5: Solve for x
    x = 3,847,596,780.90/71,064.36
  6. Step 6: Final answer
    x = 54,142.42

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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.