Home / 73,515.04-101,450.82-39,981.04

Finding the Fourth Proportional to 73,515.04, 101,450.82 and 39,981.04

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Solution

The fourth proportional to 73,515.04, 101,450.82 and 39,981.04 is: 55,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,515.04 : 101,450.82 = 39,981.04 : x
  2. Step 2: Convert to fraction form
    73,515.04/101,450.82 = 39,981.04/x
  3. Step 3: Cross multiply
    73,515.04x = 101,450.82 × 39,981.04
  4. Step 4: Simplify right side
    73,515.04x = 4,056,109,292.45
  5. Step 5: Solve for x
    x = 4,056,109,292.45/73,515.04
  6. Step 6: Final answer
    x = 55,173.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.