Home / 73,210.03-109,842.37-28,867.69

Finding the Fourth Proportional to 73,210.03, 109,842.37 and 28,867.69

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Solution

The fourth proportional to 73,210.03, 109,842.37 and 28,867.69 is: 43,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210.03 : 109,842.37 = 28,867.69 : x
  2. Step 2: Convert to fraction form
    73,210.03/109,842.37 = 28,867.69/x
  3. Step 3: Cross multiply
    73,210.03x = 109,842.37 × 28,867.69
  4. Step 4: Simplify right side
    73,210.03x = 3,170,895,551.16
  5. Step 5: Solve for x
    x = 3,170,895,551.16/73,210.03
  6. Step 6: Final answer
    x = 43,312.31

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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.