Home / 66,334.23-91,572.57-42,474.78

Finding the Fourth Proportional to 66,334.23, 91,572.57 and 42,474.78

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Solution

The fourth proportional to 66,334.23, 91,572.57 and 42,474.78 is: 58,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334.23 : 91,572.57 = 42,474.78 : x
  2. Step 2: Convert to fraction form
    66,334.23/91,572.57 = 42,474.78/x
  3. Step 3: Cross multiply
    66,334.23x = 91,572.57 × 42,474.78
  4. Step 4: Simplify right side
    66,334.23x = 3,889,524,764.78
  5. Step 5: Solve for x
    x = 3,889,524,764.78/66,334.23
  6. Step 6: Final answer
    x = 58,635.26

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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.