Home / 56,247.75-77,623.52-31,098.87

Finding the Fourth Proportional to 56,247.75, 77,623.52 and 31,098.87

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Solution

The fourth proportional to 56,247.75, 77,623.52 and 31,098.87 is: 42,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,247.75 : 77,623.52 = 31,098.87 : x
  2. Step 2: Convert to fraction form
    56,247.75/77,623.52 = 31,098.87/x
  3. Step 3: Cross multiply
    56,247.75x = 77,623.52 × 31,098.87
  4. Step 4: Simplify right side
    56,247.75x = 2,414,003,601.93
  5. Step 5: Solve for x
    x = 2,414,003,601.93/56,247.75
  6. Step 6: Final answer
    x = 42,917.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.