Home / 79,455.60-109,649.03-43,646.31

Finding the Fourth Proportional to 79,455.60, 109,649.03 and 43,646.31

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Solution

The fourth proportional to 79,455.60, 109,649.03 and 43,646.31 is: 60,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,455.60 : 109,649.03 = 43,646.31 : x
  2. Step 2: Convert to fraction form
    79,455.60/109,649.03 = 43,646.31/x
  3. Step 3: Cross multiply
    79,455.60x = 109,649.03 × 43,646.31
  4. Step 4: Simplify right side
    79,455.60x = 4,785,775,336.35
  5. Step 5: Solve for x
    x = 4,785,775,336.35/79,455.60
  6. Step 6: Final answer
    x = 60,232.07

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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.