Home / 61,998.22-85,412.91-43,102.54

Finding the Fourth Proportional to 61,998.22, 85,412.91 and 43,102.54

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Solution

The fourth proportional to 61,998.22, 85,412.91 and 43,102.54 is: 59,380.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,998.22 : 85,412.91 = 43,102.54 : x
  2. Step 2: Convert to fraction form
    61,998.22/85,412.91 = 43,102.54/x
  3. Step 3: Cross multiply
    61,998.22x = 85,412.91 × 43,102.54
  4. Step 4: Simplify right side
    61,998.22x = 3,681,513,369.79
  5. Step 5: Solve for x
    x = 3,681,513,369.79/61,998.22
  6. Step 6: Final answer
    x = 59,380.95

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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.