Home / 90,930.36-125,483.76-50,647.62

Finding the Fourth Proportional to 90,930.36, 125,483.76 and 50,647.62

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Solution

The fourth proportional to 90,930.36, 125,483.76 and 50,647.62 is: 69,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930.36 : 125,483.76 = 50,647.62 : x
  2. Step 2: Convert to fraction form
    90,930.36/125,483.76 = 50,647.62/x
  3. Step 3: Cross multiply
    90,930.36x = 125,483.76 × 50,647.62
  4. Step 4: Simplify right side
    90,930.36x = 6,355,453,792.65
  5. Step 5: Solve for x
    x = 6,355,453,792.65/90,930.36
  6. Step 6: Final answer
    x = 69,893.64

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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.