Home / 45,432.82-68,148.62-11,698.65

Finding the Fourth Proportional to 45,432.82, 68,148.62 and 11,698.65

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Solution

The fourth proportional to 45,432.82, 68,148.62 and 11,698.65 is: 17,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.82 : 68,148.62 = 11,698.65 : x
  2. Step 2: Convert to fraction form
    45,432.82/68,148.62 = 11,698.65/x
  3. Step 3: Cross multiply
    45,432.82x = 68,148.62 × 11,698.65
  4. Step 4: Simplify right side
    45,432.82x = 797,246,853.36
  5. Step 5: Solve for x
    x = 797,246,853.36/45,432.82
  6. Step 6: Final answer
    x = 17,547.82

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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.