Home / 109,456.11-164,193.89-39,355.47

Finding the Fourth Proportional to 109,456.11, 164,193.89 and 39,355.47

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Solution

The fourth proportional to 109,456.11, 164,193.89 and 39,355.47 is: 59,036.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,456.11 : 164,193.89 = 39,355.47 : x
  2. Step 2: Convert to fraction form
    109,456.11/164,193.89 = 39,355.47/x
  3. Step 3: Cross multiply
    109,456.11x = 164,193.89 × 39,355.47
  4. Step 4: Simplify right side
    109,456.11x = 6,461,927,515.30
  5. Step 5: Solve for x
    x = 6,461,927,515.30/109,456.11
  6. Step 6: Final answer
    x = 59,036.70

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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.