Home / 111,018.25-153,195.93-62,617.51

Finding the Fourth Proportional to 111,018.25, 153,195.93 and 62,617.51

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Solution

The fourth proportional to 111,018.25, 153,195.93 and 62,617.51 is: 86,406.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.25 : 153,195.93 = 62,617.51 : x
  2. Step 2: Convert to fraction form
    111,018.25/153,195.93 = 62,617.51/x
  3. Step 3: Cross multiply
    111,018.25x = 153,195.93 × 62,617.51
  4. Step 4: Simplify right side
    111,018.25x = 9,592,747,365.65
  5. Step 5: Solve for x
    x = 9,592,747,365.65/111,018.25
  6. Step 6: Final answer
    x = 86,406.94

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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.