Home / 57,730.32-86,793.12-53,401.68

Finding the Fourth Proportional to 57,730.32, 86,793.12 and 53,401.68

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Solution

The fourth proportional to 57,730.32, 86,793.12 and 53,401.68 is: 80,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730.32 : 86,793.12 = 53,401.68 : x
  2. Step 2: Convert to fraction form
    57,730.32/86,793.12 = 53,401.68/x
  3. Step 3: Cross multiply
    57,730.32x = 86,793.12 × 53,401.68
  4. Step 4: Simplify right side
    57,730.32x = 4,634,898,420.44
  5. Step 5: Solve for x
    x = 4,634,898,420.44/57,730.32
  6. Step 6: Final answer
    x = 80,285.34

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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.