Home / 66,475.38-91,729.65-36,665.46

Finding the Fourth Proportional to 66,475.38, 91,729.65 and 36,665.46

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Solution

The fourth proportional to 66,475.38, 91,729.65 and 36,665.46 is: 50,594.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.38 : 91,729.65 = 36,665.46 : x
  2. Step 2: Convert to fraction form
    66,475.38/91,729.65 = 36,665.46/x
  3. Step 3: Cross multiply
    66,475.38x = 91,729.65 × 36,665.46
  4. Step 4: Simplify right side
    66,475.38x = 3,363,309,812.89
  5. Step 5: Solve for x
    x = 3,363,309,812.89/66,475.38
  6. Step 6: Final answer
    x = 50,594.82

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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.