Home / 103,091.40-154,637.10-36,606.60

Finding the Fourth Proportional to 103,091.40, 154,637.10 and 36,606.60

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Solution

The fourth proportional to 103,091.40, 154,637.10 and 36,606.60 is: 54,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.40 : 154,637.10 = 36,606.60 : x
  2. Step 2: Convert to fraction form
    103,091.40/154,637.10 = 36,606.60/x
  3. Step 3: Cross multiply
    103,091.40x = 154,637.10 × 36,606.60
  4. Step 4: Simplify right side
    103,091.40x = 5,660,738,464.86
  5. Step 5: Solve for x
    x = 5,660,738,464.86/103,091.40
  6. Step 6: Final answer
    x = 54,909.90

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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.