Home / 71,343.05-98,459.01-39,514.91

Finding the Fourth Proportional to 71,343.05, 98,459.01 and 39,514.91

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Solution

The fourth proportional to 71,343.05, 98,459.01 and 39,514.91 is: 54,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,343.05 : 98,459.01 = 39,514.91 : x
  2. Step 2: Convert to fraction form
    71,343.05/98,459.01 = 39,514.91/x
  3. Step 3: Cross multiply
    71,343.05x = 98,459.01 × 39,514.91
  4. Step 4: Simplify right side
    71,343.05x = 3,890,598,426.54
  5. Step 5: Solve for x
    x = 3,890,598,426.54/71,343.05
  6. Step 6: Final answer
    x = 54,533.67

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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.