Home / 71,401.64-98,634.78-66,087.23

Finding the Fourth Proportional to 71,401.64, 98,634.78 and 66,087.23

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Solution

The fourth proportional to 71,401.64, 98,634.78 and 66,087.23 is: 91,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,401.64 : 98,634.78 = 66,087.23 : x
  2. Step 2: Convert to fraction form
    71,401.64/98,634.78 = 66,087.23/x
  3. Step 3: Cross multiply
    71,401.64x = 98,634.78 × 66,087.23
  4. Step 4: Simplify right side
    71,401.64x = 6,518,498,898.69
  5. Step 5: Solve for x
    x = 6,518,498,898.69/71,401.64
  6. Step 6: Final answer
    x = 91,293.41

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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.