Home / 85,467.44-128,199.76-32,888.32

Finding the Fourth Proportional to 85,467.44, 128,199.76 and 32,888.32

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Solution

The fourth proportional to 85,467.44, 128,199.76 and 32,888.32 is: 49,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.44 : 128,199.76 = 32,888.32 : x
  2. Step 2: Convert to fraction form
    85,467.44/128,199.76 = 32,888.32/x
  3. Step 3: Cross multiply
    85,467.44x = 128,199.76 × 32,888.32
  4. Step 4: Simplify right side
    85,467.44x = 4,216,274,730.80
  5. Step 5: Solve for x
    x = 4,216,274,730.80/85,467.44
  6. Step 6: Final answer
    x = 49,331.94

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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.