Home / 67,120.08-92,618.04-53,686.44

Finding the Fourth Proportional to 67,120.08, 92,618.04 and 53,686.44

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Solution

The fourth proportional to 67,120.08, 92,618.04 and 53,686.44 is: 74,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,120.08 : 92,618.04 = 53,686.44 : x
  2. Step 2: Convert to fraction form
    67,120.08/92,618.04 = 53,686.44/x
  3. Step 3: Cross multiply
    67,120.08x = 92,618.04 × 53,686.44
  4. Step 4: Simplify right side
    67,120.08x = 4,972,332,847.38
  5. Step 5: Solve for x
    x = 4,972,332,847.38/67,120.08
  6. Step 6: Final answer
    x = 74,081.15

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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.