Home / 55,644.32-76,815.75-31,766.37

Finding the Fourth Proportional to 55,644.32, 76,815.75 and 31,766.37

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Solution

The fourth proportional to 55,644.32, 76,815.75 and 31,766.37 is: 43,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.32 : 76,815.75 = 31,766.37 : x
  2. Step 2: Convert to fraction form
    55,644.32/76,815.75 = 31,766.37/x
  3. Step 3: Cross multiply
    55,644.32x = 76,815.75 × 31,766.37
  4. Step 4: Simplify right side
    55,644.32x = 2,440,157,536.33
  5. Step 5: Solve for x
    x = 2,440,157,536.33/55,644.32
  6. Step 6: Final answer
    x = 43,852.77

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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.