Home / 66,143.67-91,286.24-37,848.75

Finding the Fourth Proportional to 66,143.67, 91,286.24 and 37,848.75

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Solution

The fourth proportional to 66,143.67, 91,286.24 and 37,848.75 is: 52,235.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,143.67 : 91,286.24 = 37,848.75 : x
  2. Step 2: Convert to fraction form
    66,143.67/91,286.24 = 37,848.75/x
  3. Step 3: Cross multiply
    66,143.67x = 91,286.24 × 37,848.75
  4. Step 4: Simplify right side
    66,143.67x = 3,455,069,886.96
  5. Step 5: Solve for x
    x = 3,455,069,886.96/66,143.67
  6. Step 6: Final answer
    x = 52,235.84

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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.