Home / 109,945.30-164,705.73-65,607.52

Finding the Fourth Proportional to 109,945.30, 164,705.73 and 65,607.52

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Solution

The fourth proportional to 109,945.30, 164,705.73 and 65,607.52 is: 98,284.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,945.30 : 164,705.73 = 65,607.52 : x
  2. Step 2: Convert to fraction form
    109,945.30/164,705.73 = 65,607.52/x
  3. Step 3: Cross multiply
    109,945.30x = 164,705.73 × 65,607.52
  4. Step 4: Simplify right side
    109,945.30x = 10,805,934,475.09
  5. Step 5: Solve for x
    x = 10,805,934,475.09/109,945.30
  6. Step 6: Final answer
    x = 98,284.64

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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.