Home / 79,655.91-109,925.15-43,845.76

Finding the Fourth Proportional to 79,655.91, 109,925.15 and 43,845.76

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Solution

The fourth proportional to 79,655.91, 109,925.15 and 43,845.76 is: 60,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,655.91 : 109,925.15 = 43,845.76 : x
  2. Step 2: Convert to fraction form
    79,655.91/109,925.15 = 43,845.76/x
  3. Step 3: Cross multiply
    79,655.91x = 109,925.15 × 43,845.76
  4. Step 4: Simplify right side
    79,655.91x = 4,819,751,291.35
  5. Step 5: Solve for x
    x = 4,819,751,291.35/79,655.91
  6. Step 6: Final answer
    x = 60,507.14

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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.