Home / 49,189.04-67,854.24-40,640.60

Finding the Fourth Proportional to 49,189.04, 67,854.24 and 40,640.60

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Solution

The fourth proportional to 49,189.04, 67,854.24 and 40,640.60 is: 56,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.04 : 67,854.24 = 40,640.60 : x
  2. Step 2: Convert to fraction form
    49,189.04/67,854.24 = 40,640.60/x
  3. Step 3: Cross multiply
    49,189.04x = 67,854.24 × 40,640.60
  4. Step 4: Simplify right side
    49,189.04x = 2,757,637,026.14
  5. Step 5: Solve for x
    x = 2,757,637,026.14/49,189.04
  6. Step 6: Final answer
    x = 56,062.02

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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.