Home / 66,082.04-91,221.63-40,592.56

Finding the Fourth Proportional to 66,082.04, 91,221.63 and 40,592.56

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Solution

The fourth proportional to 66,082.04, 91,221.63 and 40,592.56 is: 56,035.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,082.04 : 91,221.63 = 40,592.56 : x
  2. Step 2: Convert to fraction form
    66,082.04/91,221.63 = 40,592.56/x
  3. Step 3: Cross multiply
    66,082.04x = 91,221.63 × 40,592.56
  4. Step 4: Simplify right side
    66,082.04x = 3,702,919,489.07
  5. Step 5: Solve for x
    x = 3,702,919,489.07/66,082.04
  6. Step 6: Final answer
    x = 56,035.19

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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.