Home / 79,890.48-119,792.52-24,479.28

Finding the Fourth Proportional to 79,890.48, 119,792.52 and 24,479.28

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Solution

The fourth proportional to 79,890.48, 119,792.52 and 24,479.28 is: 36,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.48 : 119,792.52 = 24,479.28 : x
  2. Step 2: Convert to fraction form
    79,890.48/119,792.52 = 24,479.28/x
  3. Step 3: Cross multiply
    79,890.48x = 119,792.52 × 24,479.28
  4. Step 4: Simplify right side
    79,890.48x = 2,932,434,638.99
  5. Step 5: Solve for x
    x = 2,932,434,638.99/79,890.48
  6. Step 6: Final answer
    x = 36,705.68

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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.