Home / 71,948.22-107,896.41-30,398.46

Finding the Fourth Proportional to 71,948.22, 107,896.41 and 30,398.46

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Solution

The fourth proportional to 71,948.22, 107,896.41 and 30,398.46 is: 45,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948.22 : 107,896.41 = 30,398.46 : x
  2. Step 2: Convert to fraction form
    71,948.22/107,896.41 = 30,398.46/x
  3. Step 3: Cross multiply
    71,948.22x = 107,896.41 × 30,398.46
  4. Step 4: Simplify right side
    71,948.22x = 3,279,884,703.53
  5. Step 5: Solve for x
    x = 3,279,884,703.53/71,948.22
  6. Step 6: Final answer
    x = 45,586.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.