Home / 61,999.22-85,414.28-43,103.54

Finding the Fourth Proportional to 61,999.22, 85,414.28 and 43,103.54

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Solution

The fourth proportional to 61,999.22, 85,414.28 and 43,103.54 is: 59,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,999.22 : 85,414.28 = 43,103.54 : x
  2. Step 2: Convert to fraction form
    61,999.22/85,414.28 = 43,103.54/x
  3. Step 3: Cross multiply
    61,999.22x = 85,414.28 × 43,103.54
  4. Step 4: Simplify right side
    61,999.22x = 3,681,657,834.55
  5. Step 5: Solve for x
    x = 3,681,657,834.55/61,999.22
  6. Step 6: Final answer
    x = 59,382.33

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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.