Home / 111,281.49-166,929.89-44,721.68

Finding the Fourth Proportional to 111,281.49, 166,929.89 and 44,721.68

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Solution

The fourth proportional to 111,281.49, 166,929.89 and 44,721.68 is: 67,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,281.49 : 166,929.89 = 44,721.68 : x
  2. Step 2: Convert to fraction form
    111,281.49/166,929.89 = 44,721.68/x
  3. Step 3: Cross multiply
    111,281.49x = 166,929.89 × 44,721.68
  4. Step 4: Simplify right side
    111,281.49x = 7,465,384,064.76
  5. Step 5: Solve for x
    x = 7,465,384,064.76/111,281.49
  6. Step 6: Final answer
    x = 67,085.59

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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.