Home / 77,300.36-115,947.51-32,310.10

Finding the Fourth Proportional to 77,300.36, 115,947.51 and 32,310.10

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Solution

The fourth proportional to 77,300.36, 115,947.51 and 32,310.10 is: 48,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,300.36 : 115,947.51 = 32,310.10 : x
  2. Step 2: Convert to fraction form
    77,300.36/115,947.51 = 32,310.10/x
  3. Step 3: Cross multiply
    77,300.36x = 115,947.51 × 32,310.10
  4. Step 4: Simplify right side
    77,300.36x = 3,746,275,723.63
  5. Step 5: Solve for x
    x = 3,746,275,723.63/77,300.36
  6. Step 6: Final answer
    x = 48,463.88

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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.