Home / 71,119.18-98,147.45-40,904.51

Finding the Fourth Proportional to 71,119.18, 98,147.45 and 40,904.51

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Solution

The fourth proportional to 71,119.18, 98,147.45 and 40,904.51 is: 56,449.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,119.18 : 98,147.45 = 40,904.51 : x
  2. Step 2: Convert to fraction form
    71,119.18/98,147.45 = 40,904.51/x
  3. Step 3: Cross multiply
    71,119.18x = 98,147.45 × 40,904.51
  4. Step 4: Simplify right side
    71,119.18x = 4,014,673,350.00
  5. Step 5: Solve for x
    x = 4,014,673,350.00/71,119.18
  6. Step 6: Final answer
    x = 56,449.94

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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.