Home / 71,091.42-98,106.64-38,825.22

Finding the Fourth Proportional to 71,091.42, 98,106.64 and 38,825.22

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Solution

The fourth proportional to 71,091.42, 98,106.64 and 38,825.22 is: 53,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,091.42 : 98,106.64 = 38,825.22 : x
  2. Step 2: Convert to fraction form
    71,091.42/98,106.64 = 38,825.22/x
  3. Step 3: Cross multiply
    71,091.42x = 98,106.64 × 38,825.22
  4. Step 4: Simplify right side
    71,091.42x = 3,809,012,370.69
  5. Step 5: Solve for x
    x = 3,809,012,370.69/71,091.42
  6. Step 6: Final answer
    x = 53,579.07

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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.