Home / 106,242.55-159,326.69-31,342.82

Finding the Fourth Proportional to 106,242.55, 159,326.69 and 31,342.82

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Solution

The fourth proportional to 106,242.55, 159,326.69 and 31,342.82 is: 47,003.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,242.55 : 159,326.69 = 31,342.82 : x
  2. Step 2: Convert to fraction form
    106,242.55/159,326.69 = 31,342.82/x
  3. Step 3: Cross multiply
    106,242.55x = 159,326.69 × 31,342.82
  4. Step 4: Simplify right side
    106,242.55x = 4,993,746,812.52
  5. Step 5: Solve for x
    x = 4,993,746,812.52/106,242.55
  6. Step 6: Final answer
    x = 47,003.27

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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.