Home / 78,485.23-108,307.32-44,496.85

Finding the Fourth Proportional to 78,485.23, 108,307.32 and 44,496.85

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Solution

The fourth proportional to 78,485.23, 108,307.32 and 44,496.85 is: 61,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,485.23 : 108,307.32 = 44,496.85 : x
  2. Step 2: Convert to fraction form
    78,485.23/108,307.32 = 44,496.85/x
  3. Step 3: Cross multiply
    78,485.23x = 108,307.32 × 44,496.85
  4. Step 4: Simplify right side
    78,485.23x = 4,819,334,571.94
  5. Step 5: Solve for x
    x = 4,819,334,571.94/78,485.23
  6. Step 6: Final answer
    x = 61,404.35

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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.