Home / 79,582.74-109,822.17-43,283.76

Finding the Fourth Proportional to 79,582.74, 109,822.17 and 43,283.76

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Solution

The fourth proportional to 79,582.74, 109,822.17 and 43,283.76 is: 59,730.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,582.74 : 109,822.17 = 43,283.76 : x
  2. Step 2: Convert to fraction form
    79,582.74/109,822.17 = 43,283.76/x
  3. Step 3: Cross multiply
    79,582.74x = 109,822.17 × 43,283.76
  4. Step 4: Simplify right side
    79,582.74x = 4,753,516,448.96
  5. Step 5: Solve for x
    x = 4,753,516,448.96/79,582.74
  6. Step 6: Final answer
    x = 59,730.49

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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.