Home / 71,326.96-98,431.68-39,497.92

Finding the Fourth Proportional to 71,326.96, 98,431.68 and 39,497.92

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Solution

The fourth proportional to 71,326.96, 98,431.68 and 39,497.92 is: 54,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.96 : 98,431.68 = 39,497.92 : x
  2. Step 2: Convert to fraction form
    71,326.96/98,431.68 = 39,497.92/x
  3. Step 3: Cross multiply
    71,326.96x = 98,431.68 × 39,497.92
  4. Step 4: Simplify right side
    71,326.96x = 3,887,846,622.11
  5. Step 5: Solve for x
    x = 3,887,846,622.11/71,326.96
  6. Step 6: Final answer
    x = 54,507.39

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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.