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Finding the Fourth Proportional to 66,150.66, 91,287.54 and 35,935.72

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Solution

The fourth proportional to 66,150.66, 91,287.54 and 35,935.72 is: 49,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,150.66 : 91,287.54 = 35,935.72 : x
  2. Step 2: Convert to fraction form
    66,150.66/91,287.54 = 35,935.72/x
  3. Step 3: Cross multiply
    66,150.66x = 91,287.54 × 35,935.72
  4. Step 4: Simplify right side
    66,150.66x = 3,280,483,476.93
  5. Step 5: Solve for x
    x = 3,280,483,476.93/66,150.66
  6. Step 6: Final answer
    x = 49,591.09

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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.