Home / 99,613.91-137,465.49-54,292.44

Finding the Fourth Proportional to 99,613.91, 137,465.49 and 54,292.44

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Solution

The fourth proportional to 99,613.91, 137,465.49 and 54,292.44 is: 74,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,613.91 : 137,465.49 = 54,292.44 : x
  2. Step 2: Convert to fraction form
    99,613.91/137,465.49 = 54,292.44/x
  3. Step 3: Cross multiply
    99,613.91x = 137,465.49 × 54,292.44
  4. Step 4: Simplify right side
    99,613.91x = 7,463,336,867.90
  5. Step 5: Solve for x
    x = 7,463,336,867.90/99,613.91
  6. Step 6: Final answer
    x = 74,922.64

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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.