Home / 74,623.77-111,860.87-34,670.86

Finding the Fourth Proportional to 74,623.77, 111,860.87 and 34,670.86

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Solution

The fourth proportional to 74,623.77, 111,860.87 and 34,670.86 is: 51,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.77 : 111,860.87 = 34,670.86 : x
  2. Step 2: Convert to fraction form
    74,623.77/111,860.87 = 34,670.86/x
  3. Step 3: Cross multiply
    74,623.77x = 111,860.87 × 34,670.86
  4. Step 4: Simplify right side
    74,623.77x = 3,878,312,110.24
  5. Step 5: Solve for x
    x = 3,878,312,110.24/74,623.77
  6. Step 6: Final answer
    x = 51,971.54

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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.