Home / 77,353.24-106,743.86-43,819.48

Finding the Fourth Proportional to 77,353.24, 106,743.86 and 43,819.48

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Solution

The fourth proportional to 77,353.24, 106,743.86 and 43,819.48 is: 60,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,353.24 : 106,743.86 = 43,819.48 : x
  2. Step 2: Convert to fraction form
    77,353.24/106,743.86 = 43,819.48/x
  3. Step 3: Cross multiply
    77,353.24x = 106,743.86 × 43,819.48
  4. Step 4: Simplify right side
    77,353.24x = 4,677,460,438.39
  5. Step 5: Solve for x
    x = 4,677,460,438.39/77,353.24
  6. Step 6: Final answer
    x = 60,468.84

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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.