Home / 103,621.74-155,432.61-37,057.83

Finding the Fourth Proportional to 103,621.74, 155,432.61 and 37,057.83

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Solution

The fourth proportional to 103,621.74, 155,432.61 and 37,057.83 is: 55,586.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.74 : 155,432.61 = 37,057.83 : x
  2. Step 2: Convert to fraction form
    103,621.74/155,432.61 = 37,057.83/x
  3. Step 3: Cross multiply
    103,621.74x = 155,432.61 × 37,057.83
  4. Step 4: Simplify right side
    103,621.74x = 5,759,995,237.84
  5. Step 5: Solve for x
    x = 5,759,995,237.84/103,621.74
  6. Step 6: Final answer
    x = 55,586.75

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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.