Home / 92,721.53-139,020.84-33,549.50

Finding the Fourth Proportional to 92,721.53, 139,020.84 and 33,549.50

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Solution

The fourth proportional to 92,721.53, 139,020.84 and 33,549.50 is: 50,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,721.53 : 139,020.84 = 33,549.50 : x
  2. Step 2: Convert to fraction form
    92,721.53/139,020.84 = 33,549.50/x
  3. Step 3: Cross multiply
    92,721.53x = 139,020.84 × 33,549.50
  4. Step 4: Simplify right side
    92,721.53x = 4,664,078,976.48
  5. Step 5: Solve for x
    x = 4,664,078,976.48/92,721.53
  6. Step 6: Final answer
    x = 50,302.01

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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.