Home / 66,185.28-99,288.90-30,682.17

Finding the Fourth Proportional to 66,185.28, 99,288.90 and 30,682.17

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Solution

The fourth proportional to 66,185.28, 99,288.90 and 30,682.17 is: 46,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.28 : 99,288.90 = 30,682.17 : x
  2. Step 2: Convert to fraction form
    66,185.28/99,288.90 = 30,682.17/x
  3. Step 3: Cross multiply
    66,185.28x = 99,288.90 × 30,682.17
  4. Step 4: Simplify right side
    66,185.28x = 3,046,398,908.91
  5. Step 5: Solve for x
    x = 3,046,398,908.91/66,185.28
  6. Step 6: Final answer
    x = 46,028.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.