Home / 57,762.03-86,642.42-18,318.09

Finding the Fourth Proportional to 57,762.03, 86,642.42 and 18,318.09

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Solution

The fourth proportional to 57,762.03, 86,642.42 and 18,318.09 is: 27,476.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,762.03 : 86,642.42 = 18,318.09 : x
  2. Step 2: Convert to fraction form
    57,762.03/86,642.42 = 18,318.09/x
  3. Step 3: Cross multiply
    57,762.03x = 86,642.42 × 18,318.09
  4. Step 4: Simplify right side
    57,762.03x = 1,587,123,555.79
  5. Step 5: Solve for x
    x = 1,587,123,555.79/57,762.03
  6. Step 6: Final answer
    x = 27,476.94

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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.