Home / 56,866.90-85,315.92-17,423.14

Finding the Fourth Proportional to 56,866.90, 85,315.92 and 17,423.14

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Solution

The fourth proportional to 56,866.90, 85,315.92 and 17,423.14 is: 26,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,866.90 : 85,315.92 = 17,423.14 : x
  2. Step 2: Convert to fraction form
    56,866.90/85,315.92 = 17,423.14/x
  3. Step 3: Cross multiply
    56,866.90x = 85,315.92 × 17,423.14
  4. Step 4: Simplify right side
    56,866.90x = 1,486,471,218.39
  5. Step 5: Solve for x
    x = 1,486,471,218.39/56,866.90
  6. Step 6: Final answer
    x = 26,139.48

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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.