Home / 118,879.49-164,070.48-73,572.06

Finding the Fourth Proportional to 118,879.49, 164,070.48 and 73,572.06

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Solution

The fourth proportional to 118,879.49, 164,070.48 and 73,572.06 is: 101,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,879.49 : 164,070.48 = 73,572.06 : x
  2. Step 2: Convert to fraction form
    118,879.49/164,070.48 = 73,572.06/x
  3. Step 3: Cross multiply
    118,879.49x = 164,070.48 × 73,572.06
  4. Step 4: Simplify right side
    118,879.49x = 12,071,002,830.93
  5. Step 5: Solve for x
    x = 12,071,002,830.93/118,879.49
  6. Step 6: Final answer
    x = 101,539.83

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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.