Home / 79,979.47-120,043.00-40,564.26

Finding the Fourth Proportional to 79,979.47, 120,043.00 and 40,564.26

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Solution

The fourth proportional to 79,979.47, 120,043.00 and 40,564.26 is: 60,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,979.47 : 120,043.00 = 40,564.26 : x
  2. Step 2: Convert to fraction form
    79,979.47/120,043.00 = 40,564.26/x
  3. Step 3: Cross multiply
    79,979.47x = 120,043.00 × 40,564.26
  4. Step 4: Simplify right side
    79,979.47x = 4,869,455,564.59
  5. Step 5: Solve for x
    x = 4,869,455,564.59/79,979.47
  6. Step 6: Final answer
    x = 60,883.82

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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.