Home / 79,919.86-119,848.56-29,972.68

Finding the Fourth Proportional to 79,919.86, 119,848.56 and 29,972.68

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Solution

The fourth proportional to 79,919.86, 119,848.56 and 29,972.68 is: 44,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.86 : 119,848.56 = 29,972.68 : x
  2. Step 2: Convert to fraction form
    79,919.86/119,848.56 = 29,972.68/x
  3. Step 3: Cross multiply
    79,919.86x = 119,848.56 × 29,972.68
  4. Step 4: Simplify right side
    79,919.86x = 3,592,182,537.34
  5. Step 5: Solve for x
    x = 3,592,182,537.34/79,919.86
  6. Step 6: Final answer
    x = 44,947.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.