Home / 77,583.03-116,372.17-21,426.54

Finding the Fourth Proportional to 77,583.03, 116,372.17 and 21,426.54

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Solution

The fourth proportional to 77,583.03, 116,372.17 and 21,426.54 is: 32,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,583.03 : 116,372.17 = 21,426.54 : x
  2. Step 2: Convert to fraction form
    77,583.03/116,372.17 = 21,426.54/x
  3. Step 3: Cross multiply
    77,583.03x = 116,372.17 × 21,426.54
  4. Step 4: Simplify right side
    77,583.03x = 2,493,452,955.39
  5. Step 5: Solve for x
    x = 2,493,452,955.39/77,583.03
  6. Step 6: Final answer
    x = 32,139.15

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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.