Home / 84,683.61-126,914.68-34,705.19

Finding the Fourth Proportional to 84,683.61, 126,914.68 and 34,705.19

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Solution

The fourth proportional to 84,683.61, 126,914.68 and 34,705.19 is: 52,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,683.61 : 126,914.68 = 34,705.19 : x
  2. Step 2: Convert to fraction form
    84,683.61/126,914.68 = 34,705.19/x
  3. Step 3: Cross multiply
    84,683.61x = 126,914.68 × 34,705.19
  4. Step 4: Simplify right side
    84,683.61x = 4,404,598,746.89
  5. Step 5: Solve for x
    x = 4,404,598,746.89/84,683.61
  6. Step 6: Final answer
    x = 52,012.41

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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.