Home / 86,824.24-119,772.48-54,938.32

Finding the Fourth Proportional to 86,824.24, 119,772.48 and 54,938.32

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Solution

The fourth proportional to 86,824.24, 119,772.48 and 54,938.32 is: 75,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824.24 : 119,772.48 = 54,938.32 : x
  2. Step 2: Convert to fraction form
    86,824.24/119,772.48 = 54,938.32/x
  3. Step 3: Cross multiply
    86,824.24x = 119,772.48 × 54,938.32
  4. Step 4: Simplify right side
    86,824.24x = 6,580,098,833.43
  5. Step 5: Solve for x
    x = 6,580,098,833.43/86,824.24
  6. Step 6: Final answer
    x = 75,786.43

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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.