Home / 107,718.06-161,603.28-36,645.42

Finding the Fourth Proportional to 107,718.06, 161,603.28 and 36,645.42

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Solution

The fourth proportional to 107,718.06, 161,603.28 and 36,645.42 is: 54,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,718.06 : 161,603.28 = 36,645.42 : x
  2. Step 2: Convert to fraction form
    107,718.06/161,603.28 = 36,645.42/x
  3. Step 3: Cross multiply
    107,718.06x = 161,603.28 × 36,645.42
  4. Step 4: Simplify right side
    107,718.06x = 5,922,020,068.98
  5. Step 5: Solve for x
    x = 5,922,020,068.98/107,718.06
  6. Step 6: Final answer
    x = 54,977.04

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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.