Home / 57,666.45-86,499.15-18,223.57

Finding the Fourth Proportional to 57,666.45, 86,499.15 and 18,223.57

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Solution

The fourth proportional to 57,666.45, 86,499.15 and 18,223.57 is: 27,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,666.45 : 86,499.15 = 18,223.57 : x
  2. Step 2: Convert to fraction form
    57,666.45/86,499.15 = 18,223.57/x
  3. Step 3: Cross multiply
    57,666.45x = 86,499.15 × 18,223.57
  4. Step 4: Simplify right side
    57,666.45x = 1,576,323,314.97
  5. Step 5: Solve for x
    x = 1,576,323,314.97/57,666.45
  6. Step 6: Final answer
    x = 27,335.19

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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.