Home / 76,004.54-104,884.20-42,010.64

Finding the Fourth Proportional to 76,004.54, 104,884.20 and 42,010.64

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Solution

The fourth proportional to 76,004.54, 104,884.20 and 42,010.64 is: 57,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,004.54 : 104,884.20 = 42,010.64 : x
  2. Step 2: Convert to fraction form
    76,004.54/104,884.20 = 42,010.64/x
  3. Step 3: Cross multiply
    76,004.54x = 104,884.20 × 42,010.64
  4. Step 4: Simplify right side
    76,004.54x = 4,406,252,367.89
  5. Step 5: Solve for x
    x = 4,406,252,367.89/76,004.54
  6. Step 6: Final answer
    x = 57,973.54

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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.