Home / 109,665.69-151,330.20-61,923.75

Finding the Fourth Proportional to 109,665.69, 151,330.20 and 61,923.75

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Solution

The fourth proportional to 109,665.69, 151,330.20 and 61,923.75 is: 85,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,665.69 : 151,330.20 = 61,923.75 : x
  2. Step 2: Convert to fraction form
    109,665.69/151,330.20 = 61,923.75/x
  3. Step 3: Cross multiply
    109,665.69x = 151,330.20 × 61,923.75
  4. Step 4: Simplify right side
    109,665.69x = 9,370,933,472.25
  5. Step 5: Solve for x
    x = 9,370,933,472.25/109,665.69
  6. Step 6: Final answer
    x = 85,450.00

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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.