Home / 75,728.95-104,501.23-41,735.55

Finding the Fourth Proportional to 75,728.95, 104,501.23 and 41,735.55

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Solution

The fourth proportional to 75,728.95, 104,501.23 and 41,735.55 is: 57,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,728.95 : 104,501.23 = 41,735.55 : x
  2. Step 2: Convert to fraction form
    75,728.95/104,501.23 = 41,735.55/x
  3. Step 3: Cross multiply
    75,728.95x = 104,501.23 × 41,735.55
  4. Step 4: Simplify right side
    75,728.95x = 4,361,416,309.73
  5. Step 5: Solve for x
    x = 4,361,416,309.73/75,728.95
  6. Step 6: Final answer
    x = 57,592.46

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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.