Home / 76,503.18-114,707.79-26,561.82

Finding the Fourth Proportional to 76,503.18, 114,707.79 and 26,561.82

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Solution

The fourth proportional to 76,503.18, 114,707.79 and 26,561.82 is: 39,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,503.18 : 114,707.79 = 26,561.82 : x
  2. Step 2: Convert to fraction form
    76,503.18/114,707.79 = 26,561.82/x
  3. Step 3: Cross multiply
    76,503.18x = 114,707.79 × 26,561.82
  4. Step 4: Simplify right side
    76,503.18x = 3,046,847,670.58
  5. Step 5: Solve for x
    x = 3,046,847,670.58/76,503.18
  6. Step 6: Final answer
    x = 39,826.42

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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.