Home / 90,623.18-125,056.53-50,339.54

Finding the Fourth Proportional to 90,623.18, 125,056.53 and 50,339.54

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Solution

The fourth proportional to 90,623.18, 125,056.53 and 50,339.54 is: 69,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.18 : 125,056.53 = 50,339.54 : x
  2. Step 2: Convert to fraction form
    90,623.18/125,056.53 = 50,339.54/x
  3. Step 3: Cross multiply
    90,623.18x = 125,056.53 × 50,339.54
  4. Step 4: Simplify right side
    90,623.18x = 6,295,287,568.91
  5. Step 5: Solve for x
    x = 6,295,287,568.91/90,623.18
  6. Step 6: Final answer
    x = 69,466.64

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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.