Home / 71,460.20-98,615.34-39,632.04

Finding the Fourth Proportional to 71,460.20, 98,615.34 and 39,632.04

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Solution

The fourth proportional to 71,460.20, 98,615.34 and 39,632.04 is: 54,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,460.20 : 98,615.34 = 39,632.04 : x
  2. Step 2: Convert to fraction form
    71,460.20/98,615.34 = 39,632.04/x
  3. Step 3: Cross multiply
    71,460.20x = 98,615.34 × 39,632.04
  4. Step 4: Simplify right side
    71,460.20x = 3,908,327,099.49
  5. Step 5: Solve for x
    x = 3,908,327,099.49/71,460.20
  6. Step 6: Final answer
    x = 54,692.36

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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.