Home / 57,768.20-86,652.30-54,312.20

Finding the Fourth Proportional to 57,768.20, 86,652.30 and 54,312.20

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Solution

The fourth proportional to 57,768.20, 86,652.30 and 54,312.20 is: 81,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768.20 : 86,652.30 = 54,312.20 : x
  2. Step 2: Convert to fraction form
    57,768.20/86,652.30 = 54,312.20/x
  3. Step 3: Cross multiply
    57,768.20x = 86,652.30 × 54,312.20
  4. Step 4: Simplify right side
    57,768.20x = 4,706,277,048.06
  5. Step 5: Solve for x
    x = 4,706,277,048.06/57,768.20
  6. Step 6: Final answer
    x = 81,468.30

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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.