Home / 103,609.20-155,298.60-44,434.80

Finding the Fourth Proportional to 103,609.20, 155,298.60 and 44,434.80

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Solution

The fourth proportional to 103,609.20, 155,298.60 and 44,434.80 is: 66,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,609.20 : 155,298.60 = 44,434.80 : x
  2. Step 2: Convert to fraction form
    103,609.20/155,298.60 = 44,434.80/x
  3. Step 3: Cross multiply
    103,609.20x = 155,298.60 × 44,434.80
  4. Step 4: Simplify right side
    103,609.20x = 6,900,662,231.28
  5. Step 5: Solve for x
    x = 6,900,662,231.28/103,609.20
  6. Step 6: Final answer
    x = 66,602.79

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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.