Home / 61,997.22-85,411.53-43,101.54

Finding the Fourth Proportional to 61,997.22, 85,411.53 and 43,101.54

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Solution

The fourth proportional to 61,997.22, 85,411.53 and 43,101.54 is: 59,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997.22 : 85,411.53 = 43,101.54 : x
  2. Step 2: Convert to fraction form
    61,997.22/85,411.53 = 43,101.54/x
  3. Step 3: Cross multiply
    61,997.22x = 85,411.53 × 43,101.54
  4. Step 4: Simplify right side
    61,997.22x = 3,681,368,476.76
  5. Step 5: Solve for x
    x = 3,681,368,476.76/61,997.22
  6. Step 6: Final answer
    x = 59,379.57

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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.