Home / 77,186.12-106,522.56-43,198.01

Finding the Fourth Proportional to 77,186.12, 106,522.56 and 43,198.01

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Solution

The fourth proportional to 77,186.12, 106,522.56 and 43,198.01 is: 59,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.12 : 106,522.56 = 43,198.01 : x
  2. Step 2: Convert to fraction form
    77,186.12/106,522.56 = 43,198.01/x
  3. Step 3: Cross multiply
    77,186.12x = 106,522.56 × 43,198.01
  4. Step 4: Simplify right side
    77,186.12x = 4,601,562,079.49
  5. Step 5: Solve for x
    x = 4,601,562,079.49/77,186.12
  6. Step 6: Final answer
    x = 59,616.45

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1.5x scale

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.