Home / 103,556.24-155,308.76-44,385.20

Finding the Fourth Proportional to 103,556.24, 155,308.76 and 44,385.20

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Solution

The fourth proportional to 103,556.24, 155,308.76 and 44,385.20 is: 66,566.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,556.24 : 155,308.76 = 44,385.20 : x
  2. Step 2: Convert to fraction form
    103,556.24/155,308.76 = 44,385.20/x
  3. Step 3: Cross multiply
    103,556.24x = 155,308.76 × 44,385.20
  4. Step 4: Simplify right side
    103,556.24x = 6,893,410,374.35
  5. Step 5: Solve for x
    x = 6,893,410,374.35/103,556.24
  6. Step 6: Final answer
    x = 66,566.83

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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.