Home / 101,174.04-139,618.62-55,853.64

Finding the Fourth Proportional to 101,174.04, 139,618.62 and 55,853.64

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Solution

The fourth proportional to 101,174.04, 139,618.62 and 55,853.64 is: 77,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,174.04 : 139,618.62 = 55,853.64 : x
  2. Step 2: Convert to fraction form
    101,174.04/139,618.62 = 55,853.64/x
  3. Step 3: Cross multiply
    101,174.04x = 139,618.62 × 55,853.64
  4. Step 4: Simplify right side
    101,174.04x = 7,798,208,138.78
  5. Step 5: Solve for x
    x = 7,798,208,138.78/101,174.04
  6. Step 6: Final answer
    x = 77,077.16

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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.