Home / 91,273.86-136,911.06-28,093.50

Finding the Fourth Proportional to 91,273.86, 136,911.06 and 28,093.50

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Solution

The fourth proportional to 91,273.86, 136,911.06 and 28,093.50 is: 42,140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,273.86 : 136,911.06 = 28,093.50 : x
  2. Step 2: Convert to fraction form
    91,273.86/136,911.06 = 28,093.50/x
  3. Step 3: Cross multiply
    91,273.86x = 136,911.06 × 28,093.50
  4. Step 4: Simplify right side
    91,273.86x = 3,846,310,864.11
  5. Step 5: Solve for x
    x = 3,846,310,864.11/91,273.86
  6. Step 6: Final answer
    x = 42,140.33

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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.