Home / 73,054.18-109,584.39-28,690.55

Finding the Fourth Proportional to 73,054.18, 109,584.39 and 28,690.55

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Solution

The fourth proportional to 73,054.18, 109,584.39 and 28,690.55 is: 43,037.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,054.18 : 109,584.39 = 28,690.55 : x
  2. Step 2: Convert to fraction form
    73,054.18/109,584.39 = 28,690.55/x
  3. Step 3: Cross multiply
    73,054.18x = 109,584.39 × 28,690.55
  4. Step 4: Simplify right side
    73,054.18x = 3,144,036,420.51
  5. Step 5: Solve for x
    x = 3,144,036,420.51/73,054.18
  6. Step 6: Final answer
    x = 43,037.05

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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.