Home / 66,724.84-100,112.34-34,683.94

Finding the Fourth Proportional to 66,724.84, 100,112.34 and 34,683.94

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Solution

The fourth proportional to 66,724.84, 100,112.34 and 34,683.94 is: 52,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,724.84 : 100,112.34 = 34,683.94 : x
  2. Step 2: Convert to fraction form
    66,724.84/100,112.34 = 34,683.94/x
  3. Step 3: Cross multiply
    66,724.84x = 100,112.34 × 34,683.94
  4. Step 4: Simplify right side
    66,724.84x = 3,472,290,393.82
  5. Step 5: Solve for x
    x = 3,472,290,393.82/66,724.84
  6. Step 6: Final answer
    x = 52,038.95

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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.