Home / 101,181.15-139,626.30-55,858.16

Finding the Fourth Proportional to 101,181.15, 139,626.30 and 55,858.16

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Solution

The fourth proportional to 101,181.15, 139,626.30 and 55,858.16 is: 77,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,181.15 : 139,626.30 = 55,858.16 : x
  2. Step 2: Convert to fraction form
    101,181.15/139,626.30 = 55,858.16/x
  3. Step 3: Cross multiply
    101,181.15x = 139,626.30 × 55,858.16
  4. Step 4: Simplify right side
    101,181.15x = 7,799,267,507.48
  5. Step 5: Solve for x
    x = 7,799,267,507.48/101,181.15
  6. Step 6: Final answer
    x = 77,082.22

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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.