Home / 45,451.59-68,180.48-15,453.61

Finding the Fourth Proportional to 45,451.59, 68,180.48 and 15,453.61

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Solution

The fourth proportional to 45,451.59, 68,180.48 and 15,453.61 is: 23,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.59 : 68,180.48 = 15,453.61 : x
  2. Step 2: Convert to fraction form
    45,451.59/68,180.48 = 15,453.61/x
  3. Step 3: Cross multiply
    45,451.59x = 68,180.48 × 15,453.61
  4. Step 4: Simplify right side
    45,451.59x = 1,053,634,547.53
  5. Step 5: Solve for x
    x = 1,053,634,547.53/45,451.59
  6. Step 6: Final answer
    x = 23,181.47

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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.