Home / 79,451.52-119,161.53-39,428.73

Finding the Fourth Proportional to 79,451.52, 119,161.53 and 39,428.73

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Solution

The fourth proportional to 79,451.52, 119,161.53 and 39,428.73 is: 59,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.52 : 119,161.53 = 39,428.73 : x
  2. Step 2: Convert to fraction form
    79,451.52/119,161.53 = 39,428.73/x
  3. Step 3: Cross multiply
    79,451.52x = 119,161.53 × 39,428.73
  4. Step 4: Simplify right side
    79,451.52x = 4,698,387,792.76
  5. Step 5: Solve for x
    x = 4,698,387,792.76/79,451.52
  6. Step 6: Final answer
    x = 59,135.28

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1.5x scale

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.