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Finding the Fourth Proportional to 64,162.88, 96,258.88 and 29,112.56

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Solution

The fourth proportional to 64,162.88, 96,258.88 and 29,112.56 is: 43,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,162.88 : 96,258.88 = 29,112.56 : x
  2. Step 2: Convert to fraction form
    64,162.88/96,258.88 = 29,112.56/x
  3. Step 3: Cross multiply
    64,162.88x = 96,258.88 × 29,112.56
  4. Step 4: Simplify right side
    64,162.88x = 2,802,342,419.53
  5. Step 5: Solve for x
    x = 2,802,342,419.53/64,162.88
  6. Step 6: Final answer
    x = 43,675.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.