Home / 71,050.22-98,048.82-39,219.10

Finding the Fourth Proportional to 71,050.22, 98,048.82 and 39,219.10

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Solution

The fourth proportional to 71,050.22, 98,048.82 and 39,219.10 is: 54,122.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,050.22 : 98,048.82 = 39,219.10 : x
  2. Step 2: Convert to fraction form
    71,050.22/98,048.82 = 39,219.10/x
  3. Step 3: Cross multiply
    71,050.22x = 98,048.82 × 39,219.10
  4. Step 4: Simplify right side
    71,050.22x = 3,845,386,476.46
  5. Step 5: Solve for x
    x = 3,845,386,476.46/71,050.22
  6. Step 6: Final answer
    x = 54,122.09

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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.