Home / 91,310.92-126,006.72-51,025.01

Finding the Fourth Proportional to 91,310.92, 126,006.72 and 51,025.01

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Solution

The fourth proportional to 91,310.92, 126,006.72 and 51,025.01 is: 70,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310.92 : 126,006.72 = 51,025.01 : x
  2. Step 2: Convert to fraction form
    91,310.92/126,006.72 = 51,025.01/x
  3. Step 3: Cross multiply
    91,310.92x = 126,006.72 × 51,025.01
  4. Step 4: Simplify right side
    91,310.92x = 6,429,494,148.07
  5. Step 5: Solve for x
    x = 6,429,494,148.07/91,310.92
  6. Step 6: Final answer
    x = 70,413.20

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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.