Home / 74,803.30-112,115.69-34,768.19

Finding the Fourth Proportional to 74,803.30, 112,115.69 and 34,768.19

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Solution

The fourth proportional to 74,803.30, 112,115.69 and 34,768.19 is: 52,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.30 : 112,115.69 = 34,768.19 : x
  2. Step 2: Convert to fraction form
    74,803.30/112,115.69 = 34,768.19/x
  3. Step 3: Cross multiply
    74,803.30x = 112,115.69 × 34,768.19
  4. Step 4: Simplify right side
    74,803.30x = 3,898,059,413.65
  5. Step 5: Solve for x
    x = 3,898,059,413.65/74,803.30
  6. Step 6: Final answer
    x = 52,110.80

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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.