Home / 113,542.81-156,688.34-62,554.36

Finding the Fourth Proportional to 113,542.81, 156,688.34 and 62,554.36

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Solution

The fourth proportional to 113,542.81, 156,688.34 and 62,554.36 is: 86,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542.81 : 156,688.34 = 62,554.36 : x
  2. Step 2: Convert to fraction form
    113,542.81/156,688.34 = 62,554.36/x
  3. Step 3: Cross multiply
    113,542.81x = 156,688.34 × 62,554.36
  4. Step 4: Simplify right side
    113,542.81x = 9,801,538,592.83
  5. Step 5: Solve for x
    x = 9,801,538,592.83/113,542.81
  6. Step 6: Final answer
    x = 86,324.61

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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.