Home / 69,812.23-104,689.63-27,686.51

Finding the Fourth Proportional to 69,812.23, 104,689.63 and 27,686.51

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Solution

The fourth proportional to 69,812.23, 104,689.63 and 27,686.51 is: 41,518.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.23 : 104,689.63 = 27,686.51 : x
  2. Step 2: Convert to fraction form
    69,812.23/104,689.63 = 27,686.51/x
  3. Step 3: Cross multiply
    69,812.23x = 104,689.63 × 27,686.51
  4. Step 4: Simplify right side
    69,812.23x = 2,898,490,487.89
  5. Step 5: Solve for x
    x = 2,898,490,487.89/69,812.23
  6. Step 6: Final answer
    x = 41,518.38

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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.