Home / 57,247.56-85,809.78-56,625.48

Finding the Fourth Proportional to 57,247.56, 85,809.78 and 56,625.48

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Solution

The fourth proportional to 57,247.56, 85,809.78 and 56,625.48 is: 84,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.56 : 85,809.78 = 56,625.48 : x
  2. Step 2: Convert to fraction form
    57,247.56/85,809.78 = 56,625.48/x
  3. Step 3: Cross multiply
    57,247.56x = 85,809.78 × 56,625.48
  4. Step 4: Simplify right side
    57,247.56x = 4,859,019,981.19
  5. Step 5: Solve for x
    x = 4,859,019,981.19/57,247.56
  6. Step 6: Final answer
    x = 84,877.33

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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.