Home / 66,771.84-92,190.25-42,586.36

Finding the Fourth Proportional to 66,771.84, 92,190.25 and 42,586.36

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Solution

The fourth proportional to 66,771.84, 92,190.25 and 42,586.36 is: 58,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,771.84 : 92,190.25 = 42,586.36 : x
  2. Step 2: Convert to fraction form
    66,771.84/92,190.25 = 42,586.36/x
  3. Step 3: Cross multiply
    66,771.84x = 92,190.25 × 42,586.36
  4. Step 4: Simplify right side
    66,771.84x = 3,926,046,997.75
  5. Step 5: Solve for x
    x = 3,926,046,997.75/66,771.84
  6. Step 6: Final answer
    x = 58,797.94

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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.