Home / 77,327.80-106,719.78-43,336.12

Finding the Fourth Proportional to 77,327.80, 106,719.78 and 43,336.12

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Solution

The fourth proportional to 77,327.80, 106,719.78 and 43,336.12 is: 59,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,327.80 : 106,719.78 = 43,336.12 : x
  2. Step 2: Convert to fraction form
    77,327.80/106,719.78 = 43,336.12/x
  3. Step 3: Cross multiply
    77,327.80x = 106,719.78 × 43,336.12
  4. Step 4: Simplify right side
    77,327.80x = 4,624,821,192.45
  5. Step 5: Solve for x
    x = 4,624,821,192.45/77,327.80
  6. Step 6: Final answer
    x = 59,808.00

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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.