Home / 55,719.22-76,873.81-31,828.98

Finding the Fourth Proportional to 55,719.22, 76,873.81 and 31,828.98

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Solution

The fourth proportional to 55,719.22, 76,873.81 and 31,828.98 is: 43,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,719.22 : 76,873.81 = 31,828.98 : x
  2. Step 2: Convert to fraction form
    55,719.22/76,873.81 = 31,828.98/x
  3. Step 3: Cross multiply
    55,719.22x = 76,873.81 × 31,828.98
  4. Step 4: Simplify right side
    55,719.22x = 2,446,814,961.01
  5. Step 5: Solve for x
    x = 2,446,814,961.01/55,719.22
  6. Step 6: Final answer
    x = 43,913.30

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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.