Home / 78,427.85-108,230.24-44,436.26

Finding the Fourth Proportional to 78,427.85, 108,230.24 and 44,436.26

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Solution

The fourth proportional to 78,427.85, 108,230.24 and 44,436.26 is: 61,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,427.85 : 108,230.24 = 44,436.26 : x
  2. Step 2: Convert to fraction form
    78,427.85/108,230.24 = 44,436.26/x
  3. Step 3: Cross multiply
    78,427.85x = 108,230.24 × 44,436.26
  4. Step 4: Simplify right side
    78,427.85x = 4,809,347,466.17
  5. Step 5: Solve for x
    x = 4,809,347,466.17/78,427.85
  6. Step 6: Final answer
    x = 61,321.94

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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.