Home / 86,044.83-118,729.04-48,311.79

Finding the Fourth Proportional to 86,044.83, 118,729.04 and 48,311.79

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Solution

The fourth proportional to 86,044.83, 118,729.04 and 48,311.79 is: 66,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,044.83 : 118,729.04 = 48,311.79 : x
  2. Step 2: Convert to fraction form
    86,044.83/118,729.04 = 48,311.79/x
  3. Step 3: Cross multiply
    86,044.83x = 118,729.04 × 48,311.79
  4. Step 4: Simplify right side
    86,044.83x = 5,736,012,205.82
  5. Step 5: Solve for x
    x = 5,736,012,205.82/86,044.83
  6. Step 6: Final answer
    x = 66,663.07

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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.