Home / 78,964.24-108,970.41-43,154.27

Finding the Fourth Proportional to 78,964.24, 108,970.41 and 43,154.27

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Solution

The fourth proportional to 78,964.24, 108,970.41 and 43,154.27 is: 59,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,964.24 : 108,970.41 = 43,154.27 : x
  2. Step 2: Convert to fraction form
    78,964.24/108,970.41 = 43,154.27/x
  3. Step 3: Cross multiply
    78,964.24x = 108,970.41 × 43,154.27
  4. Step 4: Simplify right side
    78,964.24x = 4,702,538,520.77
  5. Step 5: Solve for x
    x = 4,702,538,520.77/78,964.24
  6. Step 6: Final answer
    x = 59,552.76

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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.