Home / 77,547.94-107,016.18-43,556.48

Finding the Fourth Proportional to 77,547.94, 107,016.18 and 43,556.48

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Solution

The fourth proportional to 77,547.94, 107,016.18 and 43,556.48 is: 60,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,547.94 : 107,016.18 = 43,556.48 : x
  2. Step 2: Convert to fraction form
    77,547.94/107,016.18 = 43,556.48/x
  3. Step 3: Cross multiply
    77,547.94x = 107,016.18 × 43,556.48
  4. Step 4: Simplify right side
    77,547.94x = 4,661,248,103.85
  5. Step 5: Solve for x
    x = 4,661,248,103.85/77,547.94
  6. Step 6: Final answer
    x = 60,107.96

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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.