Home / 55,623.84-76,768.20-31,745.04

Finding the Fourth Proportional to 55,623.84, 76,768.20 and 31,745.04

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Solution

The fourth proportional to 55,623.84, 76,768.20 and 31,745.04 is: 43,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,623.84 : 76,768.20 = 31,745.04 : x
  2. Step 2: Convert to fraction form
    55,623.84/76,768.20 = 31,745.04/x
  3. Step 3: Cross multiply
    55,623.84x = 76,768.20 × 31,745.04
  4. Step 4: Simplify right side
    55,623.84x = 2,437,009,579.73
  5. Step 5: Solve for x
    x = 2,437,009,579.73/55,623.84
  6. Step 6: Final answer
    x = 43,812.32

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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.