Home / 76,377.11-114,538.32-26,443.80

Finding the Fourth Proportional to 76,377.11, 114,538.32 and 26,443.80

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Solution

The fourth proportional to 76,377.11, 114,538.32 and 26,443.80 is: 39,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,377.11 : 114,538.32 = 26,443.80 : x
  2. Step 2: Convert to fraction form
    76,377.11/114,538.32 = 26,443.80/x
  3. Step 3: Cross multiply
    76,377.11x = 114,538.32 × 26,443.80
  4. Step 4: Simplify right side
    76,377.11x = 3,028,828,426.42
  5. Step 5: Solve for x
    x = 3,028,828,426.42/76,377.11
  6. Step 6: Final answer
    x = 39,656.24

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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.