Home / 105,433.04-158,009.16-38,811.62

Finding the Fourth Proportional to 105,433.04, 158,009.16 and 38,811.62

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Solution

The fourth proportional to 105,433.04, 158,009.16 and 38,811.62 is: 58,165.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,433.04 : 158,009.16 = 38,811.62 : x
  2. Step 2: Convert to fraction form
    105,433.04/158,009.16 = 38,811.62/x
  3. Step 3: Cross multiply
    105,433.04x = 158,009.16 × 38,811.62
  4. Step 4: Simplify right side
    105,433.04x = 6,132,591,474.44
  5. Step 5: Solve for x
    x = 6,132,591,474.44/105,433.04
  6. Step 6: Final answer
    x = 58,165.75

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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.