Home / 109,705.31-164,539.14-34,808.76

Finding the Fourth Proportional to 109,705.31, 164,539.14 and 34,808.76

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Solution

The fourth proportional to 109,705.31, 164,539.14 and 34,808.76 is: 52,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,705.31 : 164,539.14 = 34,808.76 : x
  2. Step 2: Convert to fraction form
    109,705.31/164,539.14 = 34,808.76/x
  3. Step 3: Cross multiply
    109,705.31x = 164,539.14 × 34,808.76
  4. Step 4: Simplify right side
    109,705.31x = 5,727,403,434.87
  5. Step 5: Solve for x
    x = 5,727,403,434.87/109,705.31
  6. Step 6: Final answer
    x = 52,207.17

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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.