Home / 76,576.32-114,854.40-26,645.76

Finding the Fourth Proportional to 76,576.32, 114,854.40 and 26,645.76

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Solution

The fourth proportional to 76,576.32, 114,854.40 and 26,645.76 is: 39,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576.32 : 114,854.40 = 26,645.76 : x
  2. Step 2: Convert to fraction form
    76,576.32/114,854.40 = 26,645.76/x
  3. Step 3: Cross multiply
    76,576.32x = 114,854.40 × 26,645.76
  4. Step 4: Simplify right side
    76,576.32x = 3,060,382,777.34
  5. Step 5: Solve for x
    x = 3,060,382,777.34/76,576.32
  6. Step 6: Final answer
    x = 39,965.13

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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.