Home / 66,204.20-91,362.23-35,989.79

Finding the Fourth Proportional to 66,204.20, 91,362.23 and 35,989.79

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Solution

The fourth proportional to 66,204.20, 91,362.23 and 35,989.79 is: 49,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.20 : 91,362.23 = 35,989.79 : x
  2. Step 2: Convert to fraction form
    66,204.20/91,362.23 = 35,989.79/x
  3. Step 3: Cross multiply
    66,204.20x = 91,362.23 × 35,989.79
  4. Step 4: Simplify right side
    66,204.20x = 3,288,106,969.83
  5. Step 5: Solve for x
    x = 3,288,106,969.83/66,204.20
  6. Step 6: Final answer
    x = 49,666.14

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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.