Home / 66,728.26-92,084.52-36,513.01

Finding the Fourth Proportional to 66,728.26, 92,084.52 and 36,513.01

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Solution

The fourth proportional to 66,728.26, 92,084.52 and 36,513.01 is: 50,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,728.26 : 92,084.52 = 36,513.01 : x
  2. Step 2: Convert to fraction form
    66,728.26/92,084.52 = 36,513.01/x
  3. Step 3: Cross multiply
    66,728.26x = 92,084.52 × 36,513.01
  4. Step 4: Simplify right side
    66,728.26x = 3,362,282,999.61
  5. Step 5: Solve for x
    x = 3,362,282,999.61/66,728.26
  6. Step 6: Final answer
    x = 50,387.69

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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.