Home / 77,261.42-106,623.11-43,269.82

Finding the Fourth Proportional to 77,261.42, 106,623.11 and 43,269.82

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Solution

The fourth proportional to 77,261.42, 106,623.11 and 43,269.82 is: 59,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,261.42 : 106,623.11 = 43,269.82 : x
  2. Step 2: Convert to fraction form
    77,261.42/106,623.11 = 43,269.82/x
  3. Step 3: Cross multiply
    77,261.42x = 106,623.11 × 43,269.82
  4. Step 4: Simplify right side
    77,261.42x = 4,613,562,777.54
  5. Step 5: Solve for x
    x = 4,613,562,777.54/77,261.42
  6. Step 6: Final answer
    x = 59,713.67

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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.