Home / 55,563.30-76,658.29-31,672.74

Finding the Fourth Proportional to 55,563.30, 76,658.29 and 31,672.74

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Solution

The fourth proportional to 55,563.30, 76,658.29 and 31,672.74 is: 43,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.30 : 76,658.29 = 31,672.74 : x
  2. Step 2: Convert to fraction form
    55,563.30/76,658.29 = 31,672.74/x
  3. Step 3: Cross multiply
    55,563.30x = 76,658.29 × 31,672.74
  4. Step 4: Simplify right side
    55,563.30x = 2,427,978,088.01
  5. Step 5: Solve for x
    x = 2,427,978,088.01/55,563.30
  6. Step 6: Final answer
    x = 43,697.51

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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.