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Finding the Fourth Proportional to 66,304.62, 91,501.74 and 36,091.62

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Solution

The fourth proportional to 66,304.62, 91,501.74 and 36,091.62 is: 49,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,304.62 : 91,501.74 = 36,091.62 : x
  2. Step 2: Convert to fraction form
    66,304.62/91,501.74 = 36,091.62/x
  3. Step 3: Cross multiply
    66,304.62x = 91,501.74 × 36,091.62
  4. Step 4: Simplify right side
    66,304.62x = 3,302,446,029.42
  5. Step 5: Solve for x
    x = 3,302,446,029.42/66,304.62
  6. Step 6: Final answer
    x = 49,807.18

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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.