Home / 57,519.18-86,287.47-18,072.57

Finding the Fourth Proportional to 57,519.18, 86,287.47 and 18,072.57

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Solution

The fourth proportional to 57,519.18, 86,287.47 and 18,072.57 is: 27,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,519.18 : 86,287.47 = 18,072.57 : x
  2. Step 2: Convert to fraction form
    57,519.18/86,287.47 = 18,072.57/x
  3. Step 3: Cross multiply
    57,519.18x = 86,287.47 × 18,072.57
  4. Step 4: Simplify right side
    57,519.18x = 1,559,436,341.70
  5. Step 5: Solve for x
    x = 1,559,436,341.70/57,519.18
  6. Step 6: Final answer
    x = 27,111.59

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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.