Home / 57,220.20-85,855.90-26,039.40

Finding the Fourth Proportional to 57,220.20, 85,855.90 and 26,039.40

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Solution

The fourth proportional to 57,220.20, 85,855.90 and 26,039.40 is: 39,070.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,220.20 : 85,855.90 = 26,039.40 : x
  2. Step 2: Convert to fraction form
    57,220.20/85,855.90 = 26,039.40/x
  3. Step 3: Cross multiply
    57,220.20x = 85,855.90 × 26,039.40
  4. Step 4: Simplify right side
    57,220.20x = 2,235,636,122.46
  5. Step 5: Solve for x
    x = 2,235,636,122.46/57,220.20
  6. Step 6: Final answer
    x = 39,070.75

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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.