Home / 76,648.20-114,943.62-26,715.48

Finding the Fourth Proportional to 76,648.20, 114,943.62 and 26,715.48

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Solution

The fourth proportional to 76,648.20, 114,943.62 and 26,715.48 is: 40,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,648.20 : 114,943.62 = 26,715.48 : x
  2. Step 2: Convert to fraction form
    76,648.20/114,943.62 = 26,715.48/x
  3. Step 3: Cross multiply
    76,648.20x = 114,943.62 × 26,715.48
  4. Step 4: Simplify right side
    76,648.20x = 3,070,773,981.24
  5. Step 5: Solve for x
    x = 3,070,773,981.24/76,648.20
  6. Step 6: Final answer
    x = 40,063.22

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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.