Home / 55,644.02-76,815.33-31,766.07

Finding the Fourth Proportional to 55,644.02, 76,815.33 and 31,766.07

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Solution

The fourth proportional to 55,644.02, 76,815.33 and 31,766.07 is: 43,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.02 : 76,815.33 = 31,766.07 : x
  2. Step 2: Convert to fraction form
    55,644.02/76,815.33 = 31,766.07/x
  3. Step 3: Cross multiply
    55,644.02x = 76,815.33 × 31,766.07
  4. Step 4: Simplify right side
    55,644.02x = 2,440,121,149.85
  5. Step 5: Solve for x
    x = 2,440,121,149.85/55,644.02
  6. Step 6: Final answer
    x = 43,852.36

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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.