Home / 105,845.81-146,062.23-57,446.64

Finding the Fourth Proportional to 105,845.81, 146,062.23 and 57,446.64

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Solution

The fourth proportional to 105,845.81, 146,062.23 and 57,446.64 is: 79,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,845.81 : 146,062.23 = 57,446.64 : x
  2. Step 2: Convert to fraction form
    105,845.81/146,062.23 = 57,446.64/x
  3. Step 3: Cross multiply
    105,845.81x = 146,062.23 × 57,446.64
  4. Step 4: Simplify right side
    105,845.81x = 8,390,784,344.41
  5. Step 5: Solve for x
    x = 8,390,784,344.41/105,845.81
  6. Step 6: Final answer
    x = 79,273.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.