Home / 90,855.61-125,365.76-50,568.33

Finding the Fourth Proportional to 90,855.61, 125,365.76 and 50,568.33

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Solution

The fourth proportional to 90,855.61, 125,365.76 and 50,568.33 is: 69,775.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,855.61 : 125,365.76 = 50,568.33 : x
  2. Step 2: Convert to fraction form
    90,855.61/125,365.76 = 50,568.33/x
  3. Step 3: Cross multiply
    90,855.61x = 125,365.76 × 50,568.33
  4. Step 4: Simplify right side
    90,855.61x = 6,339,537,529.29
  5. Step 5: Solve for x
    x = 6,339,537,529.29/90,855.61
  6. Step 6: Final answer
    x = 69,775.96

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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.