Home / 109,112.95-150,565.23-61,365.27

Finding the Fourth Proportional to 109,112.95, 150,565.23 and 61,365.27

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Solution

The fourth proportional to 109,112.95, 150,565.23 and 61,365.27 is: 84,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,112.95 : 150,565.23 = 61,365.27 : x
  2. Step 2: Convert to fraction form
    109,112.95/150,565.23 = 61,365.27/x
  3. Step 3: Cross multiply
    109,112.95x = 150,565.23 × 61,365.27
  4. Step 4: Simplify right side
    109,112.95x = 9,239,475,991.56
  5. Step 5: Solve for x
    x = 9,239,475,991.56/109,112.95
  6. Step 6: Final answer
    x = 84,678.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.