Home / 85,441.37-128,176.63-26,275.73

Finding the Fourth Proportional to 85,441.37, 128,176.63 and 26,275.73

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Solution

The fourth proportional to 85,441.37, 128,176.63 and 26,275.73 is: 39,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,441.37 : 128,176.63 = 26,275.73 : x
  2. Step 2: Convert to fraction form
    85,441.37/128,176.63 = 26,275.73/x
  3. Step 3: Cross multiply
    85,441.37x = 128,176.63 × 26,275.73
  4. Step 4: Simplify right side
    85,441.37x = 3,367,933,815.62
  5. Step 5: Solve for x
    x = 3,367,933,815.62/85,441.37
  6. Step 6: Final answer
    x = 39,418.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.