Home / 75,300.20-103,959.30-47,044.16

Finding the Fourth Proportional to 75,300.20, 103,959.30 and 47,044.16

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Solution

The fourth proportional to 75,300.20, 103,959.30 and 47,044.16 is: 64,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,300.20 : 103,959.30 = 47,044.16 : x
  2. Step 2: Convert to fraction form
    75,300.20/103,959.30 = 47,044.16/x
  3. Step 3: Cross multiply
    75,300.20x = 103,959.30 × 47,044.16
  4. Step 4: Simplify right side
    75,300.20x = 4,890,677,942.69
  5. Step 5: Solve for x
    x = 4,890,677,942.69/75,300.20
  6. Step 6: Final answer
    x = 64,949.07

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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.