Home / 110,721.85-152,804.61-62,972.35

Finding the Fourth Proportional to 110,721.85, 152,804.61 and 62,972.35

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Solution

The fourth proportional to 110,721.85, 152,804.61 and 62,972.35 is: 86,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721.85 : 152,804.61 = 62,972.35 : x
  2. Step 2: Convert to fraction form
    110,721.85/152,804.61 = 62,972.35/x
  3. Step 3: Cross multiply
    110,721.85x = 152,804.61 × 62,972.35
  4. Step 4: Simplify right side
    110,721.85x = 9,622,464,303.65
  5. Step 5: Solve for x
    x = 9,622,464,303.65/110,721.85
  6. Step 6: Final answer
    x = 86,906.65

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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.