Home / 82,146.03-113,309.33-53,853.54

Finding the Fourth Proportional to 82,146.03, 113,309.33 and 53,853.54

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Solution

The fourth proportional to 82,146.03, 113,309.33 and 53,853.54 is: 74,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,146.03 : 113,309.33 = 53,853.54 : x
  2. Step 2: Convert to fraction form
    82,146.03/113,309.33 = 53,853.54/x
  3. Step 3: Cross multiply
    82,146.03x = 113,309.33 × 53,853.54
  4. Step 4: Simplify right side
    82,146.03x = 6,102,108,266.26
  5. Step 5: Solve for x
    x = 6,102,108,266.26/82,146.03
  6. Step 6: Final answer
    x = 74,283.67

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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.