Home / 71,316.85-98,418.75-39,052.82

Finding the Fourth Proportional to 71,316.85, 98,418.75 and 39,052.82

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Solution

The fourth proportional to 71,316.85, 98,418.75 and 39,052.82 is: 53,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,316.85 : 98,418.75 = 39,052.82 : x
  2. Step 2: Convert to fraction form
    71,316.85/98,418.75 = 39,052.82/x
  3. Step 3: Cross multiply
    71,316.85x = 98,418.75 × 39,052.82
  4. Step 4: Simplify right side
    71,316.85x = 3,843,529,974.42
  5. Step 5: Solve for x
    x = 3,843,529,974.42/71,316.85
  6. Step 6: Final answer
    x = 53,893.72

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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.