Home / 104,626.49-156,938.36-25,741.40

Finding the Fourth Proportional to 104,626.49, 156,938.36 and 25,741.40

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Solution

The fourth proportional to 104,626.49, 156,938.36 and 25,741.40 is: 38,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,626.49 : 156,938.36 = 25,741.40 : x
  2. Step 2: Convert to fraction form
    104,626.49/156,938.36 = 25,741.40/x
  3. Step 3: Cross multiply
    104,626.49x = 156,938.36 × 25,741.40
  4. Step 4: Simplify right side
    104,626.49x = 4,039,813,100.10
  5. Step 5: Solve for x
    x = 4,039,813,100.10/104,626.49
  6. Step 6: Final answer
    x = 38,611.76

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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.