Home / 113,111.29-169,666.75-28,871.44

Finding the Fourth Proportional to 113,111.29, 169,666.75 and 28,871.44

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Solution

The fourth proportional to 113,111.29, 169,666.75 and 28,871.44 is: 43,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,111.29 : 169,666.75 = 28,871.44 : x
  2. Step 2: Convert to fraction form
    113,111.29/169,666.75 = 28,871.44/x
  3. Step 3: Cross multiply
    113,111.29x = 169,666.75 × 28,871.44
  4. Step 4: Simplify right side
    113,111.29x = 4,898,523,004.54
  5. Step 5: Solve for x
    x = 4,898,523,004.54/113,111.29
  6. Step 6: Final answer
    x = 43,307.11

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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.