Home / 55,088.24-76,021.84-31,216.52

Finding the Fourth Proportional to 55,088.24, 76,021.84 and 31,216.52

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Solution

The fourth proportional to 55,088.24, 76,021.84 and 31,216.52 is: 43,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.24 : 76,021.84 = 31,216.52 : x
  2. Step 2: Convert to fraction form
    55,088.24/76,021.84 = 31,216.52/x
  3. Step 3: Cross multiply
    55,088.24x = 76,021.84 × 31,216.52
  4. Step 4: Simplify right side
    55,088.24x = 2,373,137,288.80
  5. Step 5: Solve for x
    x = 2,373,137,288.80/55,088.24
  6. Step 6: Final answer
    x = 43,078.84

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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.