Home / 76,044.16-104,948.82-43,779.94

Finding the Fourth Proportional to 76,044.16, 104,948.82 and 43,779.94

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Solution

The fourth proportional to 76,044.16, 104,948.82 and 43,779.94 is: 60,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,044.16 : 104,948.82 = 43,779.94 : x
  2. Step 2: Convert to fraction form
    76,044.16/104,948.82 = 43,779.94/x
  3. Step 3: Cross multiply
    76,044.16x = 104,948.82 × 43,779.94
  4. Step 4: Simplify right side
    76,044.16x = 4,594,652,780.30
  5. Step 5: Solve for x
    x = 4,594,652,780.30/76,044.16
  6. Step 6: Final answer
    x = 60,420.85

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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.