Home / 71,408.01-98,546.25-39,574.85

Finding the Fourth Proportional to 71,408.01, 98,546.25 and 39,574.85

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Solution

The fourth proportional to 71,408.01, 98,546.25 and 39,574.85 is: 54,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,408.01 : 98,546.25 = 39,574.85 : x
  2. Step 2: Convert to fraction form
    71,408.01/98,546.25 = 39,574.85/x
  3. Step 3: Cross multiply
    71,408.01x = 98,546.25 × 39,574.85
  4. Step 4: Simplify right side
    71,408.01x = 3,899,953,061.81
  5. Step 5: Solve for x
    x = 3,899,953,061.81/71,408.01
  6. Step 6: Final answer
    x = 54,615.06

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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.