Home / 57,910.20-87,050.90-53,801.40

Finding the Fourth Proportional to 57,910.20, 87,050.90 and 53,801.40

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Solution

The fourth proportional to 57,910.20, 87,050.90 and 53,801.40 is: 80,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,910.20 : 87,050.90 = 53,801.40 : x
  2. Step 2: Convert to fraction form
    57,910.20/87,050.90 = 53,801.40/x
  3. Step 3: Cross multiply
    57,910.20x = 87,050.90 × 53,801.40
  4. Step 4: Simplify right side
    57,910.20x = 4,683,460,291.26
  5. Step 5: Solve for x
    x = 4,683,460,291.26/57,910.20
  6. Step 6: Final answer
    x = 80,874.53

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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.