Home / 55,112.30-82,711.65-25,533.80

Finding the Fourth Proportional to 55,112.30, 82,711.65 and 25,533.80

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Solution

The fourth proportional to 55,112.30, 82,711.65 and 25,533.80 is: 38,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,112.30 : 82,711.65 = 25,533.80 : x
  2. Step 2: Convert to fraction form
    55,112.30/82,711.65 = 25,533.80/x
  3. Step 3: Cross multiply
    55,112.30x = 82,711.65 × 25,533.80
  4. Step 4: Simplify right side
    55,112.30x = 2,111,942,728.77
  5. Step 5: Solve for x
    x = 2,111,942,728.77/55,112.30
  6. Step 6: Final answer
    x = 38,320.71

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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.