Home / 66,021.40-98,945.70-26,546.20

Finding the Fourth Proportional to 66,021.40, 98,945.70 and 26,546.20

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Solution

The fourth proportional to 66,021.40, 98,945.70 and 26,546.20 is: 39,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021.40 : 98,945.70 = 26,546.20 : x
  2. Step 2: Convert to fraction form
    66,021.40/98,945.70 = 26,546.20/x
  3. Step 3: Cross multiply
    66,021.40x = 98,945.70 × 26,546.20
  4. Step 4: Simplify right side
    66,021.40x = 2,626,632,341.34
  5. Step 5: Solve for x
    x = 2,626,632,341.34/66,021.40
  6. Step 6: Final answer
    x = 39,784.56

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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.