Home / 105,981.48-158,947.52-39,452.94

Finding the Fourth Proportional to 105,981.48, 158,947.52 and 39,452.94

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Solution

The fourth proportional to 105,981.48, 158,947.52 and 39,452.94 is: 59,170.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,981.48 : 158,947.52 = 39,452.94 : x
  2. Step 2: Convert to fraction form
    105,981.48/158,947.52 = 39,452.94/x
  3. Step 3: Cross multiply
    105,981.48x = 158,947.52 × 39,452.94
  4. Step 4: Simplify right side
    105,981.48x = 6,270,946,969.71
  5. Step 5: Solve for x
    x = 6,270,946,969.71/105,981.48
  6. Step 6: Final answer
    x = 59,170.22

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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.