Home / 109,838.56-164,764.40-30,959.52

Finding the Fourth Proportional to 109,838.56, 164,764.40 and 30,959.52

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Solution

The fourth proportional to 109,838.56, 164,764.40 and 30,959.52 is: 46,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.56 : 164,764.40 = 30,959.52 : x
  2. Step 2: Convert to fraction form
    109,838.56/164,764.40 = 30,959.52/x
  3. Step 3: Cross multiply
    109,838.56x = 164,764.40 × 30,959.52
  4. Step 4: Simplify right side
    109,838.56x = 5,101,026,737.09
  5. Step 5: Solve for x
    x = 5,101,026,737.09/109,838.56
  6. Step 6: Final answer
    x = 46,441.13

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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.