Home / 172,971.74-259,436.12-46,621.86

Finding the Fourth Proportional to 172,971.74, 259,436.12 and 46,621.86

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Solution

The fourth proportional to 172,971.74, 259,436.12 and 46,621.86 is: 69,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,971.74 : 259,436.12 = 46,621.86 : x
  2. Step 2: Convert to fraction form
    172,971.74/259,436.12 = 46,621.86/x
  3. Step 3: Cross multiply
    172,971.74x = 259,436.12 × 46,621.86
  4. Step 4: Simplify right side
    172,971.74x = 12,095,394,465.58
  5. Step 5: Solve for x
    x = 12,095,394,465.58/172,971.74
  6. Step 6: Final answer
    x = 69,927.00

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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.