Home / 61,906.05-85,395.15-38,015.91

Finding the Fourth Proportional to 61,906.05, 85,395.15 and 38,015.91

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Solution

The fourth proportional to 61,906.05, 85,395.15 and 38,015.91 is: 52,440.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,906.05 : 85,395.15 = 38,015.91 : x
  2. Step 2: Convert to fraction form
    61,906.05/85,395.15 = 38,015.91/x
  3. Step 3: Cross multiply
    61,906.05x = 85,395.15 × 38,015.91
  4. Step 4: Simplify right side
    61,906.05x = 3,246,374,336.84
  5. Step 5: Solve for x
    x = 3,246,374,336.84/61,906.05
  6. Step 6: Final answer
    x = 52,440.34

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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.