Home / 124,152.29-171,318.30-69,691.98

Finding the Fourth Proportional to 124,152.29, 171,318.30 and 69,691.98

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Solution

The fourth proportional to 124,152.29, 171,318.30 and 69,691.98 is: 96,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,152.29 : 171,318.30 = 69,691.98 : x
  2. Step 2: Convert to fraction form
    124,152.29/171,318.30 = 69,691.98/x
  3. Step 3: Cross multiply
    124,152.29x = 171,318.30 × 69,691.98
  4. Step 4: Simplify right side
    124,152.29x = 11,939,511,537.23
  5. Step 5: Solve for x
    x = 11,939,511,537.23/124,152.29
  6. Step 6: Final answer
    x = 96,168.27

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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.