Home / 105,654.24-158,423.04-43,368.48

Finding the Fourth Proportional to 105,654.24, 158,423.04 and 43,368.48

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Solution

The fourth proportional to 105,654.24, 158,423.04 and 43,368.48 is: 65,028.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,654.24 : 158,423.04 = 43,368.48 : x
  2. Step 2: Convert to fraction form
    105,654.24/158,423.04 = 43,368.48/x
  3. Step 3: Cross multiply
    105,654.24x = 158,423.04 × 43,368.48
  4. Step 4: Simplify right side
    105,654.24x = 6,870,566,441.78
  5. Step 5: Solve for x
    x = 6,870,566,441.78/105,654.24
  6. Step 6: Final answer
    x = 65,028.78

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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.