Home / 79,722.10-110,017.20-43,913.35

Finding the Fourth Proportional to 79,722.10, 110,017.20 and 43,913.35

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Solution

The fourth proportional to 79,722.10, 110,017.20 and 43,913.35 is: 60,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,722.10 : 110,017.20 = 43,913.35 : x
  2. Step 2: Convert to fraction form
    79,722.10/110,017.20 = 43,913.35/x
  3. Step 3: Cross multiply
    79,722.10x = 110,017.20 × 43,913.35
  4. Step 4: Simplify right side
    79,722.10x = 4,831,223,809.62
  5. Step 5: Solve for x
    x = 4,831,223,809.62/79,722.10
  6. Step 6: Final answer
    x = 60,600.81

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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.