Home / 106,203.12-159,332.43-39,643.82

Finding the Fourth Proportional to 106,203.12, 159,332.43 and 39,643.82

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Solution

The fourth proportional to 106,203.12, 159,332.43 and 39,643.82 is: 59,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,203.12 : 159,332.43 = 39,643.82 : x
  2. Step 2: Convert to fraction form
    106,203.12/159,332.43 = 39,643.82/x
  3. Step 3: Cross multiply
    106,203.12x = 159,332.43 × 39,643.82
  4. Step 4: Simplify right side
    106,203.12x = 6,316,546,124.58
  5. Step 5: Solve for x
    x = 6,316,546,124.58/106,203.12
  6. Step 6: Final answer
    x = 59,476.09

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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.