Home / 57,235.61-78,982.94-31,743.02

Finding the Fourth Proportional to 57,235.61, 78,982.94 and 31,743.02

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Solution

The fourth proportional to 57,235.61, 78,982.94 and 31,743.02 is: 43,804.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,235.61 : 78,982.94 = 31,743.02 : x
  2. Step 2: Convert to fraction form
    57,235.61/78,982.94 = 31,743.02/x
  3. Step 3: Cross multiply
    57,235.61x = 78,982.94 × 31,743.02
  4. Step 4: Simplify right side
    57,235.61x = 2,507,156,490.45
  5. Step 5: Solve for x
    x = 2,507,156,490.45/57,235.61
  6. Step 6: Final answer
    x = 43,804.14

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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.