Home / 65,769.65-98,669.09-30,690.17

Finding the Fourth Proportional to 65,769.65, 98,669.09 and 30,690.17

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Solution

The fourth proportional to 65,769.65, 98,669.09 and 30,690.17 is: 46,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,769.65 : 98,669.09 = 30,690.17 : x
  2. Step 2: Convert to fraction form
    65,769.65/98,669.09 = 30,690.17/x
  3. Step 3: Cross multiply
    65,769.65x = 98,669.09 × 30,690.17
  4. Step 4: Simplify right side
    65,769.65x = 3,028,170,499.05
  5. Step 5: Solve for x
    x = 3,028,170,499.05/65,769.65
  6. Step 6: Final answer
    x = 46,042.07

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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.