Home / 113,193.50-169,531.71-54,071

Finding the Fourth Proportional to 113,193.50, 169,531.71 and 54,071

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Solution

The fourth proportional to 113,193.50, 169,531.71 and 54,071 is: 80,983.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,193.50 : 169,531.71 = 54,071 : x
  2. Step 2: Convert to fraction form
    113,193.50/169,531.71 = 54,071/x
  3. Step 3: Cross multiply
    113,193.50x = 169,531.71 × 54,071
  4. Step 4: Simplify right side
    113,193.50x = 9,166,749,091.41
  5. Step 5: Solve for x
    x = 9,166,749,091.41/113,193.50
  6. Step 6: Final answer
    x = 80,983.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.