Home / 91,311.37-126,007.25-51,025.46

Finding the Fourth Proportional to 91,311.37, 126,007.25 and 51,025.46

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Solution

The fourth proportional to 91,311.37, 126,007.25 and 51,025.46 is: 70,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,311.37 : 126,007.25 = 51,025.46 : x
  2. Step 2: Convert to fraction form
    91,311.37/126,007.25 = 51,025.46/x
  3. Step 3: Cross multiply
    91,311.37x = 126,007.25 × 51,025.46
  4. Step 4: Simplify right side
    91,311.37x = 6,429,577,894.59
  5. Step 5: Solve for x
    x = 6,429,577,894.59/91,311.37
  6. Step 6: Final answer
    x = 70,413.77

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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.