Home / 56,012.33-77,245.07-40,881.02

Finding the Fourth Proportional to 56,012.33, 77,245.07 and 40,881.02

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Solution

The fourth proportional to 56,012.33, 77,245.07 and 40,881.02 is: 56,377.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.33 : 77,245.07 = 40,881.02 : x
  2. Step 2: Convert to fraction form
    56,012.33/77,245.07 = 40,881.02/x
  3. Step 3: Cross multiply
    56,012.33x = 77,245.07 × 40,881.02
  4. Step 4: Simplify right side
    56,012.33x = 3,157,856,660.94
  5. Step 5: Solve for x
    x = 3,157,856,660.94/56,012.33
  6. Step 6: Final answer
    x = 56,377.89

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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.