Home / 91,059.26-125,670.07-55,258.38

Finding the Fourth Proportional to 91,059.26, 125,670.07 and 55,258.38

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Solution

The fourth proportional to 91,059.26, 125,670.07 and 55,258.38 is: 76,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,059.26 : 125,670.07 = 55,258.38 : x
  2. Step 2: Convert to fraction form
    91,059.26/125,670.07 = 55,258.38/x
  3. Step 3: Cross multiply
    91,059.26x = 125,670.07 × 55,258.38
  4. Step 4: Simplify right side
    91,059.26x = 6,944,324,482.69
  5. Step 5: Solve for x
    x = 6,944,324,482.69/91,059.26
  6. Step 6: Final answer
    x = 76,261.60

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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.