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Finding the Fourth Proportional to 64,562.97, 89,099.19 and 35,883.20

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Solution

The fourth proportional to 64,562.97, 89,099.19 and 35,883.20 is: 49,520.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,562.97 : 89,099.19 = 35,883.20 : x
  2. Step 2: Convert to fraction form
    64,562.97/89,099.19 = 35,883.20/x
  3. Step 3: Cross multiply
    64,562.97x = 89,099.19 × 35,883.20
  4. Step 4: Simplify right side
    64,562.97x = 3,197,164,277.36
  5. Step 5: Solve for x
    x = 3,197,164,277.36/64,562.97
  6. Step 6: Final answer
    x = 49,520.09

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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.