Home / 72,297.48-99,769.55-40,466.37

Finding the Fourth Proportional to 72,297.48, 99,769.55 and 40,466.37

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Solution

The fourth proportional to 72,297.48, 99,769.55 and 40,466.37 is: 55,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,297.48 : 99,769.55 = 40,466.37 : x
  2. Step 2: Convert to fraction form
    72,297.48/99,769.55 = 40,466.37/x
  3. Step 3: Cross multiply
    72,297.48x = 99,769.55 × 40,466.37
  4. Step 4: Simplify right side
    72,297.48x = 4,037,311,322.70
  5. Step 5: Solve for x
    x = 4,037,311,322.70/72,297.48
  6. Step 6: Final answer
    x = 55,843.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.