Home / 109,835.37-164,689.98-43,239.17

Finding the Fourth Proportional to 109,835.37, 164,689.98 and 43,239.17

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Solution

The fourth proportional to 109,835.37, 164,689.98 and 43,239.17 is: 64,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,835.37 : 164,689.98 = 43,239.17 : x
  2. Step 2: Convert to fraction form
    109,835.37/164,689.98 = 43,239.17/x
  3. Step 3: Cross multiply
    109,835.37x = 164,689.98 × 43,239.17
  4. Step 4: Simplify right side
    109,835.37x = 7,121,057,219.07
  5. Step 5: Solve for x
    x = 7,121,057,219.07/109,835.37
  6. Step 6: Final answer
    x = 64,833.92

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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.