Home / 55,188.05-82,794.42-20,127.71

Finding the Fourth Proportional to 55,188.05, 82,794.42 and 20,127.71

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Solution

The fourth proportional to 55,188.05, 82,794.42 and 20,127.71 is: 30,196.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.05 : 82,794.42 = 20,127.71 : x
  2. Step 2: Convert to fraction form
    55,188.05/82,794.42 = 20,127.71/x
  3. Step 3: Cross multiply
    55,188.05x = 82,794.42 × 20,127.71
  4. Step 4: Simplify right side
    55,188.05x = 1,666,462,075.38
  5. Step 5: Solve for x
    x = 1,666,462,075.38/55,188.05
  6. Step 6: Final answer
    x = 30,196.07

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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.