Home / 55,601.01-76,734.89-31,731.28

Finding the Fourth Proportional to 55,601.01, 76,734.89 and 31,731.28

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Solution

The fourth proportional to 55,601.01, 76,734.89 and 31,731.28 is: 43,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,601.01 : 76,734.89 = 31,731.28 : x
  2. Step 2: Convert to fraction form
    55,601.01/76,734.89 = 31,731.28/x
  3. Step 3: Cross multiply
    55,601.01x = 76,734.89 × 31,731.28
  4. Step 4: Simplify right side
    55,601.01x = 2,434,896,280.36
  5. Step 5: Solve for x
    x = 2,434,896,280.36/55,601.01
  6. Step 6: Final answer
    x = 43,792.30

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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.