Home / 56,689.63-85,031.40-17,243.66

Finding the Fourth Proportional to 56,689.63, 85,031.40 and 17,243.66

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Solution

The fourth proportional to 56,689.63, 85,031.40 and 17,243.66 is: 25,864.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,689.63 : 85,031.40 = 17,243.66 : x
  2. Step 2: Convert to fraction form
    56,689.63/85,031.40 = 17,243.66/x
  3. Step 3: Cross multiply
    56,689.63x = 85,031.40 × 17,243.66
  4. Step 4: Simplify right side
    56,689.63x = 1,466,252,550.92
  5. Step 5: Solve for x
    x = 1,466,252,550.92/56,689.63
  6. Step 6: Final answer
    x = 25,864.56

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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.