Home / 111,027.80-166,541.70-40,934.45

Finding the Fourth Proportional to 111,027.80, 166,541.70 and 40,934.45

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Solution

The fourth proportional to 111,027.80, 166,541.70 and 40,934.45 is: 61,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.80 : 166,541.70 = 40,934.45 : x
  2. Step 2: Convert to fraction form
    111,027.80/166,541.70 = 40,934.45/x
  3. Step 3: Cross multiply
    111,027.80x = 166,541.70 × 40,934.45
  4. Step 4: Simplify right side
    111,027.80x = 6,817,292,891.57
  5. Step 5: Solve for x
    x = 6,817,292,891.57/111,027.80
  6. Step 6: Final answer
    x = 61,401.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.