Home / 79,790.60-110,102.28-51,097.16

Finding the Fourth Proportional to 79,790.60, 110,102.28 and 51,097.16

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Solution

The fourth proportional to 79,790.60, 110,102.28 and 51,097.16 is: 70,508.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,790.60 : 110,102.28 = 51,097.16 : x
  2. Step 2: Convert to fraction form
    79,790.60/110,102.28 = 51,097.16/x
  3. Step 3: Cross multiply
    79,790.60x = 110,102.28 × 51,097.16
  4. Step 4: Simplify right side
    79,790.60x = 5,625,913,817.52
  5. Step 5: Solve for x
    x = 5,625,913,817.52/79,790.60
  6. Step 6: Final answer
    x = 70,508.48

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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.