Home / 79,697.04-109,982.64-43,887.20

Finding the Fourth Proportional to 79,697.04, 109,982.64 and 43,887.20

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Solution

The fourth proportional to 79,697.04, 109,982.64 and 43,887.20 is: 60,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,697.04 : 109,982.64 = 43,887.20 : x
  2. Step 2: Convert to fraction form
    79,697.04/109,982.64 = 43,887.20/x
  3. Step 3: Cross multiply
    79,697.04x = 109,982.64 × 43,887.20
  4. Step 4: Simplify right side
    79,697.04x = 4,826,830,118.21
  5. Step 5: Solve for x
    x = 4,826,830,118.21/79,697.04
  6. Step 6: Final answer
    x = 60,564.74

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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.