Home / 91,292.37-125,946-55,476.60

Finding the Fourth Proportional to 91,292.37, 125,946 and 55,476.60

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Solution

The fourth proportional to 91,292.37, 125,946 and 55,476.60 is: 76,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,292.37 : 125,946 = 55,476.60 : x
  2. Step 2: Convert to fraction form
    91,292.37/125,946 = 55,476.60/x
  3. Step 3: Cross multiply
    91,292.37x = 125,946 × 55,476.60
  4. Step 4: Simplify right side
    91,292.37x = 6,987,055,863.60
  5. Step 5: Solve for x
    x = 6,987,055,863.60/91,292.37
  6. Step 6: Final answer
    x = 76,534.94

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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.