Home / 103,621.42-155,432.15-37,057.51

Finding the Fourth Proportional to 103,621.42, 155,432.15 and 37,057.51

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Solution

The fourth proportional to 103,621.42, 155,432.15 and 37,057.51 is: 55,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,621.42 : 155,432.15 = 37,057.51 : x
  2. Step 2: Convert to fraction form
    103,621.42/155,432.15 = 37,057.51/x
  3. Step 3: Cross multiply
    103,621.42x = 155,432.15 × 37,057.51
  4. Step 4: Simplify right side
    103,621.42x = 5,759,928,452.95
  5. Step 5: Solve for x
    x = 5,759,928,452.95/103,621.42
  6. Step 6: Final answer
    x = 55,586.27

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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.