Home / 77,020.74-115,542.06-23,717.18

Finding the Fourth Proportional to 77,020.74, 115,542.06 and 23,717.18

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Solution

The fourth proportional to 77,020.74, 115,542.06 and 23,717.18 is: 35,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.74 : 115,542.06 = 23,717.18 : x
  2. Step 2: Convert to fraction form
    77,020.74/115,542.06 = 23,717.18/x
  3. Step 3: Cross multiply
    77,020.74x = 115,542.06 × 23,717.18
  4. Step 4: Simplify right side
    77,020.74x = 2,740,331,834.59
  5. Step 5: Solve for x
    x = 2,740,331,834.59/77,020.74
  6. Step 6: Final answer
    x = 35,579.14

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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.