Home / 56,721.58-85,082.37-15,167.50

Finding the Fourth Proportional to 56,721.58, 85,082.37 and 15,167.50

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Solution

The fourth proportional to 56,721.58, 85,082.37 and 15,167.50 is: 22,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.58 : 85,082.37 = 15,167.50 : x
  2. Step 2: Convert to fraction form
    56,721.58/85,082.37 = 15,167.50/x
  3. Step 3: Cross multiply
    56,721.58x = 85,082.37 × 15,167.50
  4. Step 4: Simplify right side
    56,721.58x = 1,290,486,846.98
  5. Step 5: Solve for x
    x = 1,290,486,846.98/56,721.58
  6. Step 6: Final answer
    x = 22,751.25

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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.