Home / 124,072.86-171,221.14-67,484.64

Finding the Fourth Proportional to 124,072.86, 171,221.14 and 67,484.64

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Solution

The fourth proportional to 124,072.86, 171,221.14 and 67,484.64 is: 93,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,072.86 : 171,221.14 = 67,484.64 : x
  2. Step 2: Convert to fraction form
    124,072.86/171,221.14 = 67,484.64/x
  3. Step 3: Cross multiply
    124,072.86x = 171,221.14 × 67,484.64
  4. Step 4: Simplify right side
    124,072.86x = 11,554,796,993.29
  5. Step 5: Solve for x
    x = 11,554,796,993.29/124,072.86
  6. Step 6: Final answer
    x = 93,129.13

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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.