Home / 57,210.69-85,816.85-17,765.31

Finding the Fourth Proportional to 57,210.69, 85,816.85 and 17,765.31

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Solution

The fourth proportional to 57,210.69, 85,816.85 and 17,765.31 is: 26,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210.69 : 85,816.85 = 17,765.31 : x
  2. Step 2: Convert to fraction form
    57,210.69/85,816.85 = 17,765.31/x
  3. Step 3: Cross multiply
    57,210.69x = 85,816.85 × 17,765.31
  4. Step 4: Simplify right side
    57,210.69x = 1,524,562,943.47
  5. Step 5: Solve for x
    x = 1,524,562,943.47/57,210.69
  6. Step 6: Final answer
    x = 26,648.22

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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.