Home / 76,663.27-114,995.45-26,743.15

Finding the Fourth Proportional to 76,663.27, 114,995.45 and 26,743.15

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Solution

The fourth proportional to 76,663.27, 114,995.45 and 26,743.15 is: 40,114.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,663.27 : 114,995.45 = 26,743.15 : x
  2. Step 2: Convert to fraction form
    76,663.27/114,995.45 = 26,743.15/x
  3. Step 3: Cross multiply
    76,663.27x = 114,995.45 × 26,743.15
  4. Step 4: Simplify right side
    76,663.27x = 3,075,340,568.67
  5. Step 5: Solve for x
    x = 3,075,340,568.67/76,663.27
  6. Step 6: Final answer
    x = 40,114.92

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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.