Home / 66,050.72-91,150.40-35,836.16

Finding the Fourth Proportional to 66,050.72, 91,150.40 and 35,836.16

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Solution

The fourth proportional to 66,050.72, 91,150.40 and 35,836.16 is: 49,454.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,050.72 : 91,150.40 = 35,836.16 : x
  2. Step 2: Convert to fraction form
    66,050.72/91,150.40 = 35,836.16/x
  3. Step 3: Cross multiply
    66,050.72x = 91,150.40 × 35,836.16
  4. Step 4: Simplify right side
    66,050.72x = 3,266,480,318.46
  5. Step 5: Solve for x
    x = 3,266,480,318.46/66,050.72
  6. Step 6: Final answer
    x = 49,454.12

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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.