Home / 109,905.84-164,600.41-53,569.40

Finding the Fourth Proportional to 109,905.84, 164,600.41 and 53,569.40

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Solution

The fourth proportional to 109,905.84, 164,600.41 and 53,569.40 is: 80,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.84 : 164,600.41 = 53,569.40 : x
  2. Step 2: Convert to fraction form
    109,905.84/164,600.41 = 53,569.40/x
  3. Step 3: Cross multiply
    109,905.84x = 164,600.41 × 53,569.40
  4. Step 4: Simplify right side
    109,905.84x = 8,817,544,112.60
  5. Step 5: Solve for x
    x = 8,817,544,112.60/109,905.84
  6. Step 6: Final answer
    x = 80,228.17

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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.