Home / 66,299.37-91,495.38-36,085.79

Finding the Fourth Proportional to 66,299.37, 91,495.38 and 36,085.79

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Solution

The fourth proportional to 66,299.37, 91,495.38 and 36,085.79 is: 49,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.37 : 91,495.38 = 36,085.79 : x
  2. Step 2: Convert to fraction form
    66,299.37/91,495.38 = 36,085.79/x
  3. Step 3: Cross multiply
    66,299.37x = 91,495.38 × 36,085.79
  4. Step 4: Simplify right side
    66,299.37x = 3,301,683,297.39
  5. Step 5: Solve for x
    x = 3,301,683,297.39/66,299.37
  6. Step 6: Final answer
    x = 49,799.62

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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.