Home / 106,009.12-159,048.20-49,854.82

Finding the Fourth Proportional to 106,009.12, 159,048.20 and 49,854.82

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Solution

The fourth proportional to 106,009.12, 159,048.20 and 49,854.82 is: 74,798.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,009.12 : 159,048.20 = 49,854.82 : x
  2. Step 2: Convert to fraction form
    106,009.12/159,048.20 = 49,854.82/x
  3. Step 3: Cross multiply
    106,009.12x = 159,048.20 × 49,854.82
  4. Step 4: Simplify right side
    106,009.12x = 7,929,319,382.32
  5. Step 5: Solve for x
    x = 7,929,319,382.32/106,009.12
  6. Step 6: Final answer
    x = 74,798.46

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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.