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Finding the Fourth Proportional to 66,054, 91,085.04 and 50,949.12

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Solution

The fourth proportional to 66,054, 91,085.04 and 50,949.12 is: 70,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,054 : 91,085.04 = 50,949.12 : x
  2. Step 2: Convert to fraction form
    66,054/91,085.04 = 50,949.12/x
  3. Step 3: Cross multiply
    66,054x = 91,085.04 × 50,949.12
  4. Step 4: Simplify right side
    66,054x = 4,640,702,633.16
  5. Step 5: Solve for x
    x = 4,640,702,633.16/66,054
  6. Step 6: Final answer
    x = 70,256.19

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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.