Home / 81,683.31-122,574.06-34,936.23

Finding the Fourth Proportional to 81,683.31, 122,574.06 and 34,936.23

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Solution

The fourth proportional to 81,683.31, 122,574.06 and 34,936.23 is: 52,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,683.31 : 122,574.06 = 34,936.23 : x
  2. Step 2: Convert to fraction form
    81,683.31/122,574.06 = 34,936.23/x
  3. Step 3: Cross multiply
    81,683.31x = 122,574.06 × 34,936.23
  4. Step 4: Simplify right side
    81,683.31x = 4,282,275,552.19
  5. Step 5: Solve for x
    x = 4,282,275,552.19/81,683.31
  6. Step 6: Final answer
    x = 52,425.34

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1.5x scale

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.