Home / 109,959.81-164,946.38-31,079.94

Finding the Fourth Proportional to 109,959.81, 164,946.38 and 31,079.94

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Solution

The fourth proportional to 109,959.81, 164,946.38 and 31,079.94 is: 46,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,959.81 : 164,946.38 = 31,079.94 : x
  2. Step 2: Convert to fraction form
    109,959.81/164,946.38 = 31,079.94/x
  3. Step 3: Cross multiply
    109,959.81x = 164,946.38 × 31,079.94
  4. Step 4: Simplify right side
    109,959.81x = 5,126,523,593.62
  5. Step 5: Solve for x
    x = 5,126,523,593.62/109,959.81
  6. Step 6: Final answer
    x = 46,621.79

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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.