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Finding the Fourth Proportional to 70,161.12, 96,822.24 and 41,883.12

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Solution

The fourth proportional to 70,161.12, 96,822.24 and 41,883.12 is: 57,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,161.12 : 96,822.24 = 41,883.12 : x
  2. Step 2: Convert to fraction form
    70,161.12/96,822.24 = 41,883.12/x
  3. Step 3: Cross multiply
    70,161.12x = 96,822.24 × 41,883.12
  4. Step 4: Simplify right side
    70,161.12x = 4,055,217,496.59
  5. Step 5: Solve for x
    x = 4,055,217,496.59/70,161.12
  6. Step 6: Final answer
    x = 57,798.64

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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.