Home / 57,158.64-78,879.24-33,301.80

Finding the Fourth Proportional to 57,158.64, 78,879.24 and 33,301.80

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Solution

The fourth proportional to 57,158.64, 78,879.24 and 33,301.80 is: 45,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.64 : 78,879.24 = 33,301.80 : x
  2. Step 2: Convert to fraction form
    57,158.64/78,879.24 = 33,301.80/x
  3. Step 3: Cross multiply
    57,158.64x = 78,879.24 × 33,301.80
  4. Step 4: Simplify right side
    57,158.64x = 2,626,820,674.63
  5. Step 5: Solve for x
    x = 2,626,820,674.63/57,158.64
  6. Step 6: Final answer
    x = 45,956.67

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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.