Home / 103,209.12-154,794.18-36,646.56

Finding the Fourth Proportional to 103,209.12, 154,794.18 and 36,646.56

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Solution

The fourth proportional to 103,209.12, 154,794.18 and 36,646.56 is: 54,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,209.12 : 154,794.18 = 36,646.56 : x
  2. Step 2: Convert to fraction form
    103,209.12/154,794.18 = 36,646.56/x
  3. Step 3: Cross multiply
    103,209.12x = 154,794.18 × 36,646.56
  4. Step 4: Simplify right side
    103,209.12x = 5,672,674,205.02
  5. Step 5: Solve for x
    x = 5,672,674,205.02/103,209.12
  6. Step 6: Final answer
    x = 54,962.92

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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.