Home / 79,990.02-119,944.77-26,663.13

Finding the Fourth Proportional to 79,990.02, 119,944.77 and 26,663.13

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Solution

The fourth proportional to 79,990.02, 119,944.77 and 26,663.13 is: 39,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,990.02 : 119,944.77 = 26,663.13 : x
  2. Step 2: Convert to fraction form
    79,990.02/119,944.77 = 26,663.13/x
  3. Step 3: Cross multiply
    79,990.02x = 119,944.77 × 26,663.13
  4. Step 4: Simplify right side
    79,990.02x = 3,198,102,995.33
  5. Step 5: Solve for x
    x = 3,198,102,995.33/79,990.02
  6. Step 6: Final answer
    x = 39,981.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.