Home / 49,731.16-68,607.42-28,505.56

Finding the Fourth Proportional to 49,731.16, 68,607.42 and 28,505.56

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Solution

The fourth proportional to 49,731.16, 68,607.42 and 28,505.56 is: 39,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,731.16 : 68,607.42 = 28,505.56 : x
  2. Step 2: Convert to fraction form
    49,731.16/68,607.42 = 28,505.56/x
  3. Step 3: Cross multiply
    49,731.16x = 68,607.42 × 28,505.56
  4. Step 4: Simplify right side
    49,731.16x = 1,955,692,927.26
  5. Step 5: Solve for x
    x = 1,955,692,927.26/49,731.16
  6. Step 6: Final answer
    x = 39,325.30

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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.