Home / 67,016.81-99,790.65-64,622.04

Finding the Fourth Proportional to 67,016.81, 99,790.65 and 64,622.04

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Solution

The fourth proportional to 67,016.81, 99,790.65 and 64,622.04 is: 96,224.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,016.81 : 99,790.65 = 64,622.04 : x
  2. Step 2: Convert to fraction form
    67,016.81/99,790.65 = 64,622.04/x
  3. Step 3: Cross multiply
    67,016.81x = 99,790.65 × 64,622.04
  4. Step 4: Simplify right side
    67,016.81x = 6,448,675,375.93
  5. Step 5: Solve for x
    x = 6,448,675,375.93/67,016.81
  6. Step 6: Final answer
    x = 96,224.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.