Home / 106,321.56-159,343.14-53,702.52

Finding the Fourth Proportional to 106,321.56, 159,343.14 and 53,702.52

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Solution

The fourth proportional to 106,321.56, 159,343.14 and 53,702.52 is: 80,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.56 : 159,343.14 = 53,702.52 : x
  2. Step 2: Convert to fraction form
    106,321.56/159,343.14 = 53,702.52/x
  3. Step 3: Cross multiply
    106,321.56x = 159,343.14 × 53,702.52
  4. Step 4: Simplify right side
    106,321.56x = 8,557,128,162.71
  5. Step 5: Solve for x
    x = 8,557,128,162.71/106,321.56
  6. Step 6: Final answer
    x = 80,483.47

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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.