Home / 57,227.32-78,973.87-31,735.48

Finding the Fourth Proportional to 57,227.32, 78,973.87 and 31,735.48

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Solution

The fourth proportional to 57,227.32, 78,973.87 and 31,735.48 is: 43,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,227.32 : 78,973.87 = 31,735.48 : x
  2. Step 2: Convert to fraction form
    57,227.32/78,973.87 = 31,735.48/x
  3. Step 3: Cross multiply
    57,227.32x = 78,973.87 × 31,735.48
  4. Step 4: Simplify right side
    57,227.32x = 2,506,273,671.91
  5. Step 5: Solve for x
    x = 2,506,273,671.91/57,227.32
  6. Step 6: Final answer
    x = 43,795.06

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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.