Home / 105,709.65-158,475.56-49,520.13

Finding the Fourth Proportional to 105,709.65, 158,475.56 and 49,520.13

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Solution

The fourth proportional to 105,709.65, 158,475.56 and 49,520.13 is: 74,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,709.65 : 158,475.56 = 49,520.13 : x
  2. Step 2: Convert to fraction form
    105,709.65/158,475.56 = 49,520.13/x
  3. Step 3: Cross multiply
    105,709.65x = 158,475.56 × 49,520.13
  4. Step 4: Simplify right side
    105,709.65x = 7,847,730,085.42
  5. Step 5: Solve for x
    x = 7,847,730,085.42/105,709.65
  6. Step 6: Final answer
    x = 74,238.54

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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.