Home / 66,141.05-91,272.02-35,925.75

Finding the Fourth Proportional to 66,141.05, 91,272.02 and 35,925.75

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Solution

The fourth proportional to 66,141.05, 91,272.02 and 35,925.75 is: 49,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,141.05 : 91,272.02 = 35,925.75 : x
  2. Step 2: Convert to fraction form
    66,141.05/91,272.02 = 35,925.75/x
  3. Step 3: Cross multiply
    66,141.05x = 91,272.02 × 35,925.75
  4. Step 4: Simplify right side
    66,141.05x = 3,279,015,592.89
  5. Step 5: Solve for x
    x = 3,279,015,592.89/66,141.05
  6. Step 6: Final answer
    x = 49,576.11

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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.