Home / 66,125.21-91,252.91-35,910.18

Finding the Fourth Proportional to 66,125.21, 91,252.91 and 35,910.18

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Solution

The fourth proportional to 66,125.21, 91,252.91 and 35,910.18 is: 49,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.21 : 91,252.91 = 35,910.18 : x
  2. Step 2: Convert to fraction form
    66,125.21/91,252.91 = 35,910.18/x
  3. Step 3: Cross multiply
    66,125.21x = 91,252.91 × 35,910.18
  4. Step 4: Simplify right side
    66,125.21x = 3,276,908,513.40
  5. Step 5: Solve for x
    x = 3,276,908,513.40/66,125.21
  6. Step 6: Final answer
    x = 49,556.12

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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.