Home / 112,521.11-168,864.73-53,356.97

Finding the Fourth Proportional to 112,521.11, 168,864.73 and 53,356.97

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Solution

The fourth proportional to 112,521.11, 168,864.73 and 53,356.97 is: 80,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.11 : 168,864.73 = 53,356.97 : x
  2. Step 2: Convert to fraction form
    112,521.11/168,864.73 = 53,356.97/x
  3. Step 3: Cross multiply
    112,521.11x = 168,864.73 × 53,356.97
  4. Step 4: Simplify right side
    112,521.11x = 9,010,110,621.44
  5. Step 5: Solve for x
    x = 9,010,110,621.44/112,521.11
  6. Step 6: Final answer
    x = 80,074.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.