Home / 56,320.92-77,725.26-31,170.42

Finding the Fourth Proportional to 56,320.92, 77,725.26 and 31,170.42

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Solution

The fourth proportional to 56,320.92, 77,725.26 and 31,170.42 is: 43,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.92 : 77,725.26 = 31,170.42 : x
  2. Step 2: Convert to fraction form
    56,320.92/77,725.26 = 31,170.42/x
  3. Step 3: Cross multiply
    56,320.92x = 77,725.26 × 31,170.42
  4. Step 4: Simplify right side
    56,320.92x = 2,422,728,998.81
  5. Step 5: Solve for x
    x = 2,422,728,998.81/56,320.92
  6. Step 6: Final answer
    x = 43,016.50

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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.