Home / 111,100.06-153,317.43-63,352.39

Finding the Fourth Proportional to 111,100.06, 153,317.43 and 63,352.39

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Solution

The fourth proportional to 111,100.06, 153,317.43 and 63,352.39 is: 87,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,100.06 : 153,317.43 = 63,352.39 : x
  2. Step 2: Convert to fraction form
    111,100.06/153,317.43 = 63,352.39/x
  3. Step 3: Cross multiply
    111,100.06x = 153,317.43 × 63,352.39
  4. Step 4: Simplify right side
    111,100.06x = 9,713,025,619.16
  5. Step 5: Solve for x
    x = 9,713,025,619.16/111,100.06
  6. Step 6: Final answer
    x = 87,425.93

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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.