Home / 73,054.32-109,643.64-28,712.04

Finding the Fourth Proportional to 73,054.32, 109,643.64 and 28,712.04

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Solution

The fourth proportional to 73,054.32, 109,643.64 and 28,712.04 is: 43,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,054.32 : 109,643.64 = 28,712.04 : x
  2. Step 2: Convert to fraction form
    73,054.32/109,643.64 = 28,712.04/x
  3. Step 3: Cross multiply
    73,054.32x = 109,643.64 × 28,712.04
  4. Step 4: Simplify right side
    73,054.32x = 3,148,092,577.43
  5. Step 5: Solve for x
    x = 3,148,092,577.43/73,054.32
  6. Step 6: Final answer
    x = 43,092.49

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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.