Home / 56,679.30-85,022.15-17,237.70

Finding the Fourth Proportional to 56,679.30, 85,022.15 and 17,237.70

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Solution

The fourth proportional to 56,679.30, 85,022.15 and 17,237.70 is: 25,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679.30 : 85,022.15 = 17,237.70 : x
  2. Step 2: Convert to fraction form
    56,679.30/85,022.15 = 17,237.70/x
  3. Step 3: Cross multiply
    56,679.30x = 85,022.15 × 17,237.70
  4. Step 4: Simplify right side
    56,679.30x = 1,465,586,315.06
  5. Step 5: Solve for x
    x = 1,465,586,315.06/56,679.30
  6. Step 6: Final answer
    x = 25,857.52

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1.5x scale

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.