Home / 54,890.85-75,749.34-29,740.35

Finding the Fourth Proportional to 54,890.85, 75,749.34 and 29,740.35

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Solution

The fourth proportional to 54,890.85, 75,749.34 and 29,740.35 is: 41,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,890.85 : 75,749.34 = 29,740.35 : x
  2. Step 2: Convert to fraction form
    54,890.85/75,749.34 = 29,740.35/x
  3. Step 3: Cross multiply
    54,890.85x = 75,749.34 × 29,740.35
  4. Step 4: Simplify right side
    54,890.85x = 2,252,811,883.87
  5. Step 5: Solve for x
    x = 2,252,811,883.87/54,890.85
  6. Step 6: Final answer
    x = 41,041.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.