Home / 77,084.77-115,611.27-29,683.60

Finding the Fourth Proportional to 77,084.77, 115,611.27 and 29,683.60

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Solution

The fourth proportional to 77,084.77, 115,611.27 and 29,683.60 is: 44,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,084.77 : 115,611.27 = 29,683.60 : x
  2. Step 2: Convert to fraction form
    77,084.77/115,611.27 = 29,683.60/x
  3. Step 3: Cross multiply
    77,084.77x = 115,611.27 × 29,683.60
  4. Step 4: Simplify right side
    77,084.77x = 3,431,757,967.70
  5. Step 5: Solve for x
    x = 3,431,757,967.70/77,084.77
  6. Step 6: Final answer
    x = 44,519.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.