Home / 103,614.10-155,421.15-37,086.10

Finding the Fourth Proportional to 103,614.10, 155,421.15 and 37,086.10

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Solution

The fourth proportional to 103,614.10, 155,421.15 and 37,086.10 is: 55,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,614.10 : 155,421.15 = 37,086.10 : x
  2. Step 2: Convert to fraction form
    103,614.10/155,421.15 = 37,086.10/x
  3. Step 3: Cross multiply
    103,614.10x = 155,421.15 × 37,086.10
  4. Step 4: Simplify right side
    103,614.10x = 5,763,964,311.02
  5. Step 5: Solve for x
    x = 5,763,964,311.02/103,614.10
  6. Step 6: Final answer
    x = 55,629.15

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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.