Home / 78,694.14-108,571.24-48,056.06

Finding the Fourth Proportional to 78,694.14, 108,571.24 and 48,056.06

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Solution

The fourth proportional to 78,694.14, 108,571.24 and 48,056.06 is: 66,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,694.14 : 108,571.24 = 48,056.06 : x
  2. Step 2: Convert to fraction form
    78,694.14/108,571.24 = 48,056.06/x
  3. Step 3: Cross multiply
    78,694.14x = 108,571.24 × 48,056.06
  4. Step 4: Simplify right side
    78,694.14x = 5,217,506,023.71
  5. Step 5: Solve for x
    x = 5,217,506,023.71/78,694.14
  6. Step 6: Final answer
    x = 66,301.07

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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.