Home / 57,458.31-86,166.14-20,008.77

Finding the Fourth Proportional to 57,458.31, 86,166.14 and 20,008.77

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Solution

The fourth proportional to 57,458.31, 86,166.14 and 20,008.77 is: 30,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,458.31 : 86,166.14 = 20,008.77 : x
  2. Step 2: Convert to fraction form
    57,458.31/86,166.14 = 20,008.77/x
  3. Step 3: Cross multiply
    57,458.31x = 86,166.14 × 20,008.77
  4. Step 4: Simplify right side
    57,458.31x = 1,724,078,377.00
  5. Step 5: Solve for x
    x = 1,724,078,377.00/57,458.31
  6. Step 6: Final answer
    x = 30,005.73

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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.