Home / 57,254.37-78,835.05-49,687.35

Finding the Fourth Proportional to 57,254.37, 78,835.05 and 49,687.35

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Solution

The fourth proportional to 57,254.37, 78,835.05 and 49,687.35 is: 68,415.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,254.37 : 78,835.05 = 49,687.35 : x
  2. Step 2: Convert to fraction form
    57,254.37/78,835.05 = 49,687.35/x
  3. Step 3: Cross multiply
    57,254.37x = 78,835.05 × 49,687.35
  4. Step 4: Simplify right side
    57,254.37x = 3,917,104,721.62
  5. Step 5: Solve for x
    x = 3,917,104,721.62/57,254.37
  6. Step 6: Final answer
    x = 68,415.82

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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.