Home / 65,515.10-98,289.21-26,072.06

Finding the Fourth Proportional to 65,515.10, 98,289.21 and 26,072.06

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Solution

The fourth proportional to 65,515.10, 98,289.21 and 26,072.06 is: 39,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,515.10 : 98,289.21 = 26,072.06 : x
  2. Step 2: Convert to fraction form
    65,515.10/98,289.21 = 26,072.06/x
  3. Step 3: Cross multiply
    65,515.10x = 98,289.21 × 26,072.06
  4. Step 4: Simplify right side
    65,515.10x = 2,562,602,180.47
  5. Step 5: Solve for x
    x = 2,562,602,180.47/65,515.10
  6. Step 6: Final answer
    x = 39,114.68

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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.