Home / 76,675.90-115,018.45-24,085.39

Finding the Fourth Proportional to 76,675.90, 115,018.45 and 24,085.39

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Solution

The fourth proportional to 76,675.90, 115,018.45 and 24,085.39 is: 36,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,675.90 : 115,018.45 = 24,085.39 : x
  2. Step 2: Convert to fraction form
    76,675.90/115,018.45 = 24,085.39/x
  3. Step 3: Cross multiply
    76,675.90x = 115,018.45 × 24,085.39
  4. Step 4: Simplify right side
    76,675.90x = 2,770,264,225.45
  5. Step 5: Solve for x
    x = 2,770,264,225.45/76,675.90
  6. Step 6: Final answer
    x = 36,129.53

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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.