Home / 71,496.23-98,676.60-39,675.38

Finding the Fourth Proportional to 71,496.23, 98,676.60 and 39,675.38

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Solution

The fourth proportional to 71,496.23, 98,676.60 and 39,675.38 is: 54,758.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496.23 : 98,676.60 = 39,675.38 : x
  2. Step 2: Convert to fraction form
    71,496.23/98,676.60 = 39,675.38/x
  3. Step 3: Cross multiply
    71,496.23x = 98,676.60 × 39,675.38
  4. Step 4: Simplify right side
    71,496.23x = 3,915,031,602.11
  5. Step 5: Solve for x
    x = 3,915,031,602.11/71,496.23
  6. Step 6: Final answer
    x = 54,758.57

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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.