Home / 71,290.20-98,405.07-41,087.56

Finding the Fourth Proportional to 71,290.20, 98,405.07 and 41,087.56

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Solution

The fourth proportional to 71,290.20, 98,405.07 and 41,087.56 is: 56,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,290.20 : 98,405.07 = 41,087.56 : x
  2. Step 2: Convert to fraction form
    71,290.20/98,405.07 = 41,087.56/x
  3. Step 3: Cross multiply
    71,290.20x = 98,405.07 × 41,087.56
  4. Step 4: Simplify right side
    71,290.20x = 4,043,224,217.93
  5. Step 5: Solve for x
    x = 4,043,224,217.93/71,290.20
  6. Step 6: Final answer
    x = 56,715.01

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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.