Home / 76,229.42-105,195.24-42,237.23

Finding the Fourth Proportional to 76,229.42, 105,195.24 and 42,237.23

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Solution

The fourth proportional to 76,229.42, 105,195.24 and 42,237.23 is: 58,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,229.42 : 105,195.24 = 42,237.23 : x
  2. Step 2: Convert to fraction form
    76,229.42/105,195.24 = 42,237.23/x
  3. Step 3: Cross multiply
    76,229.42x = 105,195.24 × 42,237.23
  4. Step 4: Simplify right side
    76,229.42x = 4,443,155,020.81
  5. Step 5: Solve for x
    x = 4,443,155,020.81/76,229.42
  6. Step 6: Final answer
    x = 58,286.62

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1.5x scale

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.