Home / 91,258.16-125,935.66-50,971.57

Finding the Fourth Proportional to 91,258.16, 125,935.66 and 50,971.57

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Solution

The fourth proportional to 91,258.16, 125,935.66 and 50,971.57 is: 70,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.16 : 125,935.66 = 50,971.57 : x
  2. Step 2: Convert to fraction form
    91,258.16/125,935.66 = 50,971.57/x
  3. Step 3: Cross multiply
    91,258.16x = 125,935.66 × 50,971.57
  4. Step 4: Simplify right side
    91,258.16x = 6,419,137,880.96
  5. Step 5: Solve for x
    x = 6,419,137,880.96/91,258.16
  6. Step 6: Final answer
    x = 70,340.43

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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.