Home / 79,666.14-109,938.66-43,856.76

Finding the Fourth Proportional to 79,666.14, 109,938.66 and 43,856.76

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Solution

The fourth proportional to 79,666.14, 109,938.66 and 43,856.76 is: 60,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,666.14 : 109,938.66 = 43,856.76 : x
  2. Step 2: Convert to fraction form
    79,666.14/109,938.66 = 43,856.76/x
  3. Step 3: Cross multiply
    79,666.14x = 109,938.66 × 43,856.76
  4. Step 4: Simplify right side
    79,666.14x = 4,821,553,426.34
  5. Step 5: Solve for x
    x = 4,821,553,426.34/79,666.14
  6. Step 6: Final answer
    x = 60,521.99

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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.