Home / 89,247.60-133,879.44-39,315.84

Finding the Fourth Proportional to 89,247.60, 133,879.44 and 39,315.84

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Solution

The fourth proportional to 89,247.60, 133,879.44 and 39,315.84 is: 58,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.60 : 133,879.44 = 39,315.84 : x
  2. Step 2: Convert to fraction form
    89,247.60/133,879.44 = 39,315.84/x
  3. Step 3: Cross multiply
    89,247.60x = 133,879.44 × 39,315.84
  4. Step 4: Simplify right side
    89,247.60x = 5,263,582,642.33
  5. Step 5: Solve for x
    x = 5,263,582,642.33/89,247.60
  6. Step 6: Final answer
    x = 58,977.30

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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.