Home / 66,724.56-92,110.68-42,864.84

Finding the Fourth Proportional to 66,724.56, 92,110.68 and 42,864.84

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Solution

The fourth proportional to 66,724.56, 92,110.68 and 42,864.84 is: 59,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.56 : 92,110.68 = 42,864.84 : x
  2. Step 2: Convert to fraction form
    66,724.56/92,110.68 = 42,864.84/x
  3. Step 3: Cross multiply
    66,724.56x = 92,110.68 × 42,864.84
  4. Step 4: Simplify right side
    66,724.56x = 3,948,309,560.49
  5. Step 5: Solve for x
    x = 3,948,309,560.49/66,724.56
  6. Step 6: Final answer
    x = 59,173.26

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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.