Home / 109,949.28-164,904.96-31,045.08

Finding the Fourth Proportional to 109,949.28, 164,904.96 and 31,045.08

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Solution

The fourth proportional to 109,949.28, 164,904.96 and 31,045.08 is: 46,562.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,949.28 : 164,904.96 = 31,045.08 : x
  2. Step 2: Convert to fraction form
    109,949.28/164,904.96 = 31,045.08/x
  3. Step 3: Cross multiply
    109,949.28x = 164,904.96 × 31,045.08
  4. Step 4: Simplify right side
    109,949.28x = 5,119,487,675.60
  5. Step 5: Solve for x
    x = 5,119,487,675.60/109,949.28
  6. Step 6: Final answer
    x = 46,562.27

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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.