Home / 66,146.22-91,292.67-48,300.30

Finding the Fourth Proportional to 66,146.22, 91,292.67 and 48,300.30

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Solution

The fourth proportional to 66,146.22, 91,292.67 and 48,300.30 is: 66,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146.22 : 91,292.67 = 48,300.30 : x
  2. Step 2: Convert to fraction form
    66,146.22/91,292.67 = 48,300.30/x
  3. Step 3: Cross multiply
    66,146.22x = 91,292.67 × 48,300.30
  4. Step 4: Simplify right side
    66,146.22x = 4,409,463,348.80
  5. Step 5: Solve for x
    x = 4,409,463,348.80/66,146.22
  6. Step 6: Final answer
    x = 66,662.36

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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.