Home / 66,052.20-91,216.75-45,686.42

Finding the Fourth Proportional to 66,052.20, 91,216.75 and 45,686.42

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Solution

The fourth proportional to 66,052.20, 91,216.75 and 45,686.42 is: 63,092.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,052.20 : 91,216.75 = 45,686.42 : x
  2. Step 2: Convert to fraction form
    66,052.20/91,216.75 = 45,686.42/x
  3. Step 3: Cross multiply
    66,052.20x = 91,216.75 × 45,686.42
  4. Step 4: Simplify right side
    66,052.20x = 4,167,366,181.24
  5. Step 5: Solve for x
    x = 4,167,366,181.24/66,052.20
  6. Step 6: Final answer
    x = 63,092.01

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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.