Home / 122,491.67-169,052.04-71,516.93

Finding the Fourth Proportional to 122,491.67, 169,052.04 and 71,516.93

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Solution

The fourth proportional to 122,491.67, 169,052.04 and 71,516.93 is: 98,701.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,491.67 : 169,052.04 = 71,516.93 : x
  2. Step 2: Convert to fraction form
    122,491.67/169,052.04 = 71,516.93/x
  3. Step 3: Cross multiply
    122,491.67x = 169,052.04 × 71,516.93
  4. Step 4: Simplify right side
    122,491.67x = 12,090,082,065.78
  5. Step 5: Solve for x
    x = 12,090,082,065.78/122,491.67
  6. Step 6: Final answer
    x = 98,701.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.