Home / 111,963.06-167,941.98-45,385.38

Finding the Fourth Proportional to 111,963.06, 167,941.98 and 45,385.38

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Solution

The fourth proportional to 111,963.06, 167,941.98 and 45,385.38 is: 68,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963.06 : 167,941.98 = 45,385.38 : x
  2. Step 2: Convert to fraction form
    111,963.06/167,941.98 = 45,385.38/x
  3. Step 3: Cross multiply
    111,963.06x = 167,941.98 × 45,385.38
  4. Step 4: Simplify right side
    111,963.06x = 7,622,110,580.25
  5. Step 5: Solve for x
    x = 7,622,110,580.25/111,963.06
  6. Step 6: Final answer
    x = 68,077.01

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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.