Home / 82,718.34-124,078.23-23,553.96

Finding the Fourth Proportional to 82,718.34, 124,078.23 and 23,553.96

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Solution

The fourth proportional to 82,718.34, 124,078.23 and 23,553.96 is: 35,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,718.34 : 124,078.23 = 23,553.96 : x
  2. Step 2: Convert to fraction form
    82,718.34/124,078.23 = 23,553.96/x
  3. Step 3: Cross multiply
    82,718.34x = 124,078.23 × 23,553.96
  4. Step 4: Simplify right side
    82,718.34x = 2,922,533,666.29
  5. Step 5: Solve for x
    x = 2,922,533,666.29/82,718.34
  6. Step 6: Final answer
    x = 35,331.15

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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.