Home / 57,594.60-86,386.23-20,147.76

Finding the Fourth Proportional to 57,594.60, 86,386.23 and 20,147.76

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Solution

The fourth proportional to 57,594.60, 86,386.23 and 20,147.76 is: 30,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,594.60 : 86,386.23 = 20,147.76 : x
  2. Step 2: Convert to fraction form
    57,594.60/86,386.23 = 20,147.76/x
  3. Step 3: Cross multiply
    57,594.60x = 86,386.23 × 20,147.76
  4. Step 4: Simplify right side
    57,594.60x = 1,740,489,029.34
  5. Step 5: Solve for x
    x = 1,740,489,029.34/57,594.60
  6. Step 6: Final answer
    x = 30,219.66

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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.