Home / 85,556.15-128,356.10-32,951.51

Finding the Fourth Proportional to 85,556.15, 128,356.10 and 32,951.51

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Solution

The fourth proportional to 85,556.15, 128,356.10 and 32,951.51 is: 49,435.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,556.15 : 128,356.10 = 32,951.51 : x
  2. Step 2: Convert to fraction form
    85,556.15/128,356.10 = 32,951.51/x
  3. Step 3: Cross multiply
    85,556.15x = 128,356.10 × 32,951.51
  4. Step 4: Simplify right side
    85,556.15x = 4,229,527,147.95
  5. Step 5: Solve for x
    x = 4,229,527,147.95/85,556.15
  6. Step 6: Final answer
    x = 49,435.69

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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.