Home / 91,311.07-126,006.85-51,025.16

Finding the Fourth Proportional to 91,311.07, 126,006.85 and 51,025.16

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Solution

The fourth proportional to 91,311.07, 126,006.85 and 51,025.16 is: 70,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,311.07 : 126,006.85 = 51,025.16 : x
  2. Step 2: Convert to fraction form
    91,311.07/126,006.85 = 51,025.16/x
  3. Step 3: Cross multiply
    91,311.07x = 126,006.85 × 51,025.16
  4. Step 4: Simplify right side
    91,311.07x = 6,429,519,682.35
  5. Step 5: Solve for x
    x = 6,429,519,682.35/91,311.07
  6. Step 6: Final answer
    x = 70,413.36

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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.