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Finding the Fourth Proportional to 70,660.26, 105,759.68 and 51,935.36

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Solution

The fourth proportional to 70,660.26, 105,759.68 and 51,935.36 is: 77,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.26 : 105,759.68 = 51,935.36 : x
  2. Step 2: Convert to fraction form
    70,660.26/105,759.68 = 51,935.36/x
  3. Step 3: Cross multiply
    70,660.26x = 105,759.68 × 51,935.36
  4. Step 4: Simplify right side
    70,660.26x = 5,492,666,265.81
  5. Step 5: Solve for x
    x = 5,492,666,265.81/70,660.26
  6. Step 6: Final answer
    x = 77,733.46

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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.