Home / 82,865.70-124,318.26-23,699.79

Finding the Fourth Proportional to 82,865.70, 124,318.26 and 23,699.79

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Solution

The fourth proportional to 82,865.70, 124,318.26 and 23,699.79 is: 35,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,865.70 : 124,318.26 = 23,699.79 : x
  2. Step 2: Convert to fraction form
    82,865.70/124,318.26 = 23,699.79/x
  3. Step 3: Cross multiply
    82,865.70x = 124,318.26 × 23,699.79
  4. Step 4: Simplify right side
    82,865.70x = 2,946,316,655.17
  5. Step 5: Solve for x
    x = 2,946,316,655.17/82,865.70
  6. Step 6: Final answer
    x = 35,555.32

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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.