Home / 51,345.82-77,026.04-15,810.12

Finding the Fourth Proportional to 51,345.82, 77,026.04 and 15,810.12

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Solution

The fourth proportional to 51,345.82, 77,026.04 and 15,810.12 is: 23,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.82 : 77,026.04 = 15,810.12 : x
  2. Step 2: Convert to fraction form
    51,345.82/77,026.04 = 15,810.12/x
  3. Step 3: Cross multiply
    51,345.82x = 77,026.04 × 15,810.12
  4. Step 4: Simplify right side
    51,345.82x = 1,217,790,935.52
  5. Step 5: Solve for x
    x = 1,217,790,935.52/51,345.82
  6. Step 6: Final answer
    x = 23,717.43

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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.