Home / 76,040.20-104,933.60-42,047.80

Finding the Fourth Proportional to 76,040.20, 104,933.60 and 42,047.80

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Solution

The fourth proportional to 76,040.20, 104,933.60 and 42,047.80 is: 58,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,040.20 : 104,933.60 = 42,047.80 : x
  2. Step 2: Convert to fraction form
    76,040.20/104,933.60 = 42,047.80/x
  3. Step 3: Cross multiply
    76,040.20x = 104,933.60 × 42,047.80
  4. Step 4: Simplify right side
    76,040.20x = 4,412,227,026.08
  5. Step 5: Solve for x
    x = 4,412,227,026.08/76,040.20
  6. Step 6: Final answer
    x = 58,024.93

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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.