Home / 71,342.01-98,452.80-39,511.44

Finding the Fourth Proportional to 71,342.01, 98,452.80 and 39,511.44

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Solution

The fourth proportional to 71,342.01, 98,452.80 and 39,511.44 is: 54,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.01 : 98,452.80 = 39,511.44 : x
  2. Step 2: Convert to fraction form
    71,342.01/98,452.80 = 39,511.44/x
  3. Step 3: Cross multiply
    71,342.01x = 98,452.80 × 39,511.44
  4. Step 4: Simplify right side
    71,342.01x = 3,890,011,900.03
  5. Step 5: Solve for x
    x = 3,890,011,900.03/71,342.01
  6. Step 6: Final answer
    x = 54,526.24

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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.