Home / 79,663.11-109,936.47-45,677.13

Finding the Fourth Proportional to 79,663.11, 109,936.47 and 45,677.13

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Solution

The fourth proportional to 79,663.11, 109,936.47 and 45,677.13 is: 63,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663.11 : 109,936.47 = 45,677.13 : x
  2. Step 2: Convert to fraction form
    79,663.11/109,936.47 = 45,677.13/x
  3. Step 3: Cross multiply
    79,663.11x = 109,936.47 × 45,677.13
  4. Step 4: Simplify right side
    79,663.11x = 5,021,581,882.25
  5. Step 5: Solve for x
    x = 5,021,581,882.25/79,663.11
  6. Step 6: Final answer
    x = 63,035.23

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1.5x scale

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.