Home / 56,832.18-78,425.01-31,337.34

Finding the Fourth Proportional to 56,832.18, 78,425.01 and 31,337.34

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Solution

The fourth proportional to 56,832.18, 78,425.01 and 31,337.34 is: 43,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,832.18 : 78,425.01 = 31,337.34 : x
  2. Step 2: Convert to fraction form
    56,832.18/78,425.01 = 31,337.34/x
  3. Step 3: Cross multiply
    56,832.18x = 78,425.01 × 31,337.34
  4. Step 4: Simplify right side
    56,832.18x = 2,457,631,202.87
  5. Step 5: Solve for x
    x = 2,457,631,202.87/56,832.18
  6. Step 6: Final answer
    x = 43,243.66

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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.