Home / 81,325.39-112,240.86-46,863.44

Finding the Fourth Proportional to 81,325.39, 112,240.86 and 46,863.44

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Solution

The fourth proportional to 81,325.39, 112,240.86 and 46,863.44 is: 64,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,325.39 : 112,240.86 = 46,863.44 : x
  2. Step 2: Convert to fraction form
    81,325.39/112,240.86 = 46,863.44/x
  3. Step 3: Cross multiply
    81,325.39x = 112,240.86 × 46,863.44
  4. Step 4: Simplify right side
    81,325.39x = 5,259,992,808.16
  5. Step 5: Solve for x
    x = 5,259,992,808.16/81,325.39
  6. Step 6: Final answer
    x = 64,678.36

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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.