Home / 99,669.21-149,503.82-47,084.01

Finding the Fourth Proportional to 99,669.21, 149,503.82 and 47,084.01

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Solution

The fourth proportional to 99,669.21, 149,503.82 and 47,084.01 is: 70,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,669.21 : 149,503.82 = 47,084.01 : x
  2. Step 2: Convert to fraction form
    99,669.21/149,503.82 = 47,084.01/x
  3. Step 3: Cross multiply
    99,669.21x = 149,503.82 × 47,084.01
  4. Step 4: Simplify right side
    99,669.21x = 7,039,239,120.50
  5. Step 5: Solve for x
    x = 7,039,239,120.50/99,669.21
  6. Step 6: Final answer
    x = 70,626.02

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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.