Home / 69,408.80-95,945.56-61,929.26

Finding the Fourth Proportional to 69,408.80, 95,945.56 and 61,929.26

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Solution

The fourth proportional to 69,408.80, 95,945.56 and 61,929.26 is: 85,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.80 : 95,945.56 = 61,929.26 : x
  2. Step 2: Convert to fraction form
    69,408.80/95,945.56 = 61,929.26/x
  3. Step 3: Cross multiply
    69,408.80x = 95,945.56 × 61,929.26
  4. Step 4: Simplify right side
    69,408.80x = 5,941,837,531.09
  5. Step 5: Solve for x
    x = 5,941,837,531.09/69,408.80
  6. Step 6: Final answer
    x = 85,606.40

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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.