Home / 66,320.32-91,494.94-40,818.97

Finding the Fourth Proportional to 66,320.32, 91,494.94 and 40,818.97

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Solution

The fourth proportional to 66,320.32, 91,494.94 and 40,818.97 is: 56,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.32 : 91,494.94 = 40,818.97 : x
  2. Step 2: Convert to fraction form
    66,320.32/91,494.94 = 40,818.97/x
  3. Step 3: Cross multiply
    66,320.32x = 91,494.94 × 40,818.97
  4. Step 4: Simplify right side
    66,320.32x = 3,734,729,211.01
  5. Step 5: Solve for x
    x = 3,734,729,211.01/66,320.32
  6. Step 6: Final answer
    x = 56,313.50

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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.