Home / 66,319.32-91,493.57-40,817.97

Finding the Fourth Proportional to 66,319.32, 91,493.57 and 40,817.97

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Solution

The fourth proportional to 66,319.32, 91,493.57 and 40,817.97 is: 56,312.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.32 : 91,493.57 = 40,817.97 : x
  2. Step 2: Convert to fraction form
    66,319.32/91,493.57 = 40,817.97/x
  3. Step 3: Cross multiply
    66,319.32x = 91,493.57 × 40,817.97
  4. Step 4: Simplify right side
    66,319.32x = 3,734,581,591.36
  5. Step 5: Solve for x
    x = 3,734,581,591.36/66,319.32
  6. Step 6: Final answer
    x = 56,312.12

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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.