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Finding the Fourth Proportional to 70,822.58, 106,299.58 and 35,786.84

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Solution

The fourth proportional to 70,822.58, 106,299.58 and 35,786.84 is: 53,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,822.58 : 106,299.58 = 35,786.84 : x
  2. Step 2: Convert to fraction form
    70,822.58/106,299.58 = 35,786.84/x
  3. Step 3: Cross multiply
    70,822.58x = 106,299.58 × 35,786.84
  4. Step 4: Simplify right side
    70,822.58x = 3,804,126,061.53
  5. Step 5: Solve for x
    x = 3,804,126,061.53/70,822.58
  6. Step 6: Final answer
    x = 53,713.46

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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.