Home / 103,637.96-155,456.99-37,074.12

Finding the Fourth Proportional to 103,637.96, 155,456.99 and 37,074.12

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Solution

The fourth proportional to 103,637.96, 155,456.99 and 37,074.12 is: 55,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,637.96 : 155,456.99 = 37,074.12 : x
  2. Step 2: Convert to fraction form
    103,637.96/155,456.99 = 37,074.12/x
  3. Step 3: Cross multiply
    103,637.96x = 155,456.99 × 37,074.12
  4. Step 4: Simplify right side
    103,637.96x = 5,763,431,102.10
  5. Step 5: Solve for x
    x = 5,763,431,102.10/103,637.96
  6. Step 6: Final answer
    x = 55,611.20

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1.5x scale

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.