Home / 73,050.39-109,531.23-28,623.91

Finding the Fourth Proportional to 73,050.39, 109,531.23 and 28,623.91

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Solution

The fourth proportional to 73,050.39, 109,531.23 and 28,623.91 is: 42,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,050.39 : 109,531.23 = 28,623.91 : x
  2. Step 2: Convert to fraction form
    73,050.39/109,531.23 = 28,623.91/x
  3. Step 3: Cross multiply
    73,050.39x = 109,531.23 × 28,623.91
  4. Step 4: Simplify right side
    73,050.39x = 3,135,212,069.71
  5. Step 5: Solve for x
    x = 3,135,212,069.71/73,050.39
  6. Step 6: Final answer
    x = 42,918.49

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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.