Home / 57,976.85-86,994.45-43,215.41

Finding the Fourth Proportional to 57,976.85, 86,994.45 and 43,215.41

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Solution

The fourth proportional to 57,976.85, 86,994.45 and 43,215.41 is: 64,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,976.85 : 86,994.45 = 43,215.41 : x
  2. Step 2: Convert to fraction form
    57,976.85/86,994.45 = 43,215.41/x
  3. Step 3: Cross multiply
    57,976.85x = 86,994.45 × 43,215.41
  4. Step 4: Simplify right side
    57,976.85x = 3,759,500,281.46
  5. Step 5: Solve for x
    x = 3,759,500,281.46/57,976.85
  6. Step 6: Final answer
    x = 64,844.86

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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.