Home / 109,959.36-164,942.10-38,871.95

Finding the Fourth Proportional to 109,959.36, 164,942.10 and 38,871.95

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Solution

The fourth proportional to 109,959.36, 164,942.10 and 38,871.95 is: 58,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,959.36 : 164,942.10 = 38,871.95 : x
  2. Step 2: Convert to fraction form
    109,959.36/164,942.10 = 38,871.95/x
  3. Step 3: Cross multiply
    109,959.36x = 164,942.10 × 38,871.95
  4. Step 4: Simplify right side
    109,959.36x = 6,411,620,239.38
  5. Step 5: Solve for x
    x = 6,411,620,239.38/109,959.36
  6. Step 6: Final answer
    x = 58,309.00

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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.