Home / 54,739.02-75,475.12-38,608.98

Finding the Fourth Proportional to 54,739.02, 75,475.12 and 38,608.98

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Solution

The fourth proportional to 54,739.02, 75,475.12 and 38,608.98 is: 53,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,739.02 : 75,475.12 = 38,608.98 : x
  2. Step 2: Convert to fraction form
    54,739.02/75,475.12 = 38,608.98/x
  3. Step 3: Cross multiply
    54,739.02x = 75,475.12 × 38,608.98
  4. Step 4: Simplify right side
    54,739.02x = 2,914,017,398.58
  5. Step 5: Solve for x
    x = 2,914,017,398.58/54,739.02
  6. Step 6: Final answer
    x = 53,234.74

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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.