Home / 105,591.26-158,438.93-49,435.17

Finding the Fourth Proportional to 105,591.26, 158,438.93 and 49,435.17

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Solution

The fourth proportional to 105,591.26, 158,438.93 and 49,435.17 is: 74,177.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,591.26 : 158,438.93 = 49,435.17 : x
  2. Step 2: Convert to fraction form
    105,591.26/158,438.93 = 49,435.17/x
  3. Step 3: Cross multiply
    105,591.26x = 158,438.93 × 49,435.17
  4. Step 4: Simplify right side
    105,591.26x = 7,832,455,191.99
  5. Step 5: Solve for x
    x = 7,832,455,191.99/105,591.26
  6. Step 6: Final answer
    x = 74,177.12

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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.