Home / 66,292.40-91,513.44-43,643.28

Finding the Fourth Proportional to 66,292.40, 91,513.44 and 43,643.28

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Solution

The fourth proportional to 66,292.40, 91,513.44 and 43,643.28 is: 60,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,292.40 : 91,513.44 = 43,643.28 : x
  2. Step 2: Convert to fraction form
    66,292.40/91,513.44 = 43,643.28/x
  3. Step 3: Cross multiply
    66,292.40x = 91,513.44 × 43,643.28
  4. Step 4: Simplify right side
    66,292.40x = 3,993,946,685.68
  5. Step 5: Solve for x
    x = 3,993,946,685.68/66,292.40
  6. Step 6: Final answer
    x = 60,247.43

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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.