Home / 56,935.68-85,388.80-16,945.28

Finding the Fourth Proportional to 56,935.68, 85,388.80 and 16,945.28

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Solution

The fourth proportional to 56,935.68, 85,388.80 and 16,945.28 is: 25,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.68 : 85,388.80 = 16,945.28 : x
  2. Step 2: Convert to fraction form
    56,935.68/85,388.80 = 16,945.28/x
  3. Step 3: Cross multiply
    56,935.68x = 85,388.80 × 16,945.28
  4. Step 4: Simplify right side
    56,935.68x = 1,446,937,124.86
  5. Step 5: Solve for x
    x = 1,446,937,124.86/56,935.68
  6. Step 6: Final answer
    x = 25,413.54

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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.