Home / 72,455.32-99,964.44-43,764.26

Finding the Fourth Proportional to 72,455.32, 99,964.44 and 43,764.26

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Solution

The fourth proportional to 72,455.32, 99,964.44 and 43,764.26 is: 60,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,455.32 : 99,964.44 = 43,764.26 : x
  2. Step 2: Convert to fraction form
    72,455.32/99,964.44 = 43,764.26/x
  3. Step 3: Cross multiply
    72,455.32x = 99,964.44 × 43,764.26
  4. Step 4: Simplify right side
    72,455.32x = 4,374,869,742.91
  5. Step 5: Solve for x
    x = 4,374,869,742.91/72,455.32
  6. Step 6: Final answer
    x = 60,380.24

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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.