Home / 56,922.75-85,384.13-15,369.75

Finding the Fourth Proportional to 56,922.75, 85,384.13 and 15,369.75

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Solution

The fourth proportional to 56,922.75, 85,384.13 and 15,369.75 is: 23,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,922.75 : 85,384.13 = 15,369.75 : x
  2. Step 2: Convert to fraction form
    56,922.75/85,384.13 = 15,369.75/x
  3. Step 3: Cross multiply
    56,922.75x = 85,384.13 × 15,369.75
  4. Step 4: Simplify right side
    56,922.75x = 1,312,332,655.22
  5. Step 5: Solve for x
    x = 1,312,332,655.22/56,922.75
  6. Step 6: Final answer
    x = 23,054.63

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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.