Home / 66,686.01-92,025.79-38,007.38

Finding the Fourth Proportional to 66,686.01, 92,025.79 and 38,007.38

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Solution

The fourth proportional to 66,686.01, 92,025.79 and 38,007.38 is: 52,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,686.01 : 92,025.79 = 38,007.38 : x
  2. Step 2: Convert to fraction form
    66,686.01/92,025.79 = 38,007.38/x
  3. Step 3: Cross multiply
    66,686.01x = 92,025.79 × 38,007.38
  4. Step 4: Simplify right side
    66,686.01x = 3,497,659,305.38
  5. Step 5: Solve for x
    x = 3,497,659,305.38/66,686.01
  6. Step 6: Final answer
    x = 52,449.67

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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.