Home / 91,647.78-137,471.58-25,088.46

Finding the Fourth Proportional to 91,647.78, 137,471.58 and 25,088.46

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Solution

The fourth proportional to 91,647.78, 137,471.58 and 25,088.46 is: 37,632.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,647.78 : 137,471.58 = 25,088.46 : x
  2. Step 2: Convert to fraction form
    91,647.78/137,471.58 = 25,088.46/x
  3. Step 3: Cross multiply
    91,647.78x = 137,471.58 × 25,088.46
  4. Step 4: Simplify right side
    91,647.78x = 3,448,950,235.97
  5. Step 5: Solve for x
    x = 3,448,950,235.97/91,647.78
  6. Step 6: Final answer
    x = 37,632.67

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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.