Home / 77,072.96-106,352.54-43,077.87

Finding the Fourth Proportional to 77,072.96, 106,352.54 and 43,077.87

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Solution

The fourth proportional to 77,072.96, 106,352.54 and 43,077.87 is: 59,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,072.96 : 106,352.54 = 43,077.87 : x
  2. Step 2: Convert to fraction form
    77,072.96/106,352.54 = 43,077.87/x
  3. Step 3: Cross multiply
    77,072.96x = 106,352.54 × 43,077.87
  4. Step 4: Simplify right side
    77,072.96x = 4,581,440,676.90
  5. Step 5: Solve for x
    x = 4,581,440,676.90/77,072.96
  6. Step 6: Final answer
    x = 59,442.91

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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.