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Finding the Fourth Proportional to 66,095.49, 91,211.47 and 35,880.57

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Solution

The fourth proportional to 66,095.49, 91,211.47 and 35,880.57 is: 49,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,095.49 : 91,211.47 = 35,880.57 : x
  2. Step 2: Convert to fraction form
    66,095.49/91,211.47 = 35,880.57/x
  3. Step 3: Cross multiply
    66,095.49x = 91,211.47 × 35,880.57
  4. Step 4: Simplify right side
    66,095.49x = 3,272,719,444.44
  5. Step 5: Solve for x
    x = 3,272,719,444.44/66,095.49
  6. Step 6: Final answer
    x = 49,515.02

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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.