Home / 81,841.30-122,683.83-46,713.22

Finding the Fourth Proportional to 81,841.30, 122,683.83 and 46,713.22

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Solution

The fourth proportional to 81,841.30, 122,683.83 and 46,713.22 is: 70,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,841.30 : 122,683.83 = 46,713.22 : x
  2. Step 2: Convert to fraction form
    81,841.30/122,683.83 = 46,713.22/x
  3. Step 3: Cross multiply
    81,841.30x = 122,683.83 × 46,713.22
  4. Step 4: Simplify right side
    81,841.30x = 5,730,956,741.23
  5. Step 5: Solve for x
    x = 5,730,956,741.23/81,841.30
  6. Step 6: Final answer
    x = 70,025.24

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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.