Home / 79,569.06-109,806.64-45,580.52

Finding the Fourth Proportional to 79,569.06, 109,806.64 and 45,580.52

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Solution

The fourth proportional to 79,569.06, 109,806.64 and 45,580.52 is: 62,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,569.06 : 109,806.64 = 45,580.52 : x
  2. Step 2: Convert to fraction form
    79,569.06/109,806.64 = 45,580.52/x
  3. Step 3: Cross multiply
    79,569.06x = 109,806.64 × 45,580.52
  4. Step 4: Simplify right side
    79,569.06x = 5,005,043,201.62
  5. Step 5: Solve for x
    x = 5,005,043,201.62/79,569.06
  6. Step 6: Final answer
    x = 62,901.88

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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.