Home / 79,715.47-110,015.11-59,537.32

Finding the Fourth Proportional to 79,715.47, 110,015.11 and 59,537.32

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Solution

The fourth proportional to 79,715.47, 110,015.11 and 59,537.32 is: 82,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.47 : 110,015.11 = 59,537.32 : x
  2. Step 2: Convert to fraction form
    79,715.47/110,015.11 = 59,537.32/x
  3. Step 3: Cross multiply
    79,715.47x = 110,015.11 × 59,537.32
  4. Step 4: Simplify right side
    79,715.47x = 6,550,004,258.83
  5. Step 5: Solve for x
    x = 6,550,004,258.83/79,715.47
  6. Step 6: Final answer
    x = 82,167.29

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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.