Home / 79,677.16-109,953.84-43,867.76

Finding the Fourth Proportional to 79,677.16, 109,953.84 and 43,867.76

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Solution

The fourth proportional to 79,677.16, 109,953.84 and 43,867.76 is: 60,537.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.16 : 109,953.84 = 43,867.76 : x
  2. Step 2: Convert to fraction form
    79,677.16/109,953.84 = 43,867.76/x
  3. Step 3: Cross multiply
    79,677.16x = 109,953.84 × 43,867.76
  4. Step 4: Simplify right side
    79,677.16x = 4,823,428,664.20
  5. Step 5: Solve for x
    x = 4,823,428,664.20/79,677.16
  6. Step 6: Final answer
    x = 60,537.16

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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.