Home / 58,811.64-81,161.27-31,955.89

Finding the Fourth Proportional to 58,811.64, 81,161.27 and 31,955.89

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Solution

The fourth proportional to 58,811.64, 81,161.27 and 31,955.89 is: 44,099.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,811.64 : 81,161.27 = 31,955.89 : x
  2. Step 2: Convert to fraction form
    58,811.64/81,161.27 = 31,955.89/x
  3. Step 3: Cross multiply
    58,811.64x = 81,161.27 × 31,955.89
  4. Step 4: Simplify right side
    58,811.64x = 2,593,580,664.10
  5. Step 5: Solve for x
    x = 2,593,580,664.10/58,811.64
  6. Step 6: Final answer
    x = 44,099.78

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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.