Home / 75,512.37-104,053.52-58,412.76

Finding the Fourth Proportional to 75,512.37, 104,053.52 and 58,412.76

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Solution

The fourth proportional to 75,512.37, 104,053.52 and 58,412.76 is: 80,490.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.37 : 104,053.52 = 58,412.76 : x
  2. Step 2: Convert to fraction form
    75,512.37/104,053.52 = 58,412.76/x
  3. Step 3: Cross multiply
    75,512.37x = 104,053.52 × 58,412.76
  4. Step 4: Simplify right side
    75,512.37x = 6,078,052,998.85
  5. Step 5: Solve for x
    x = 6,078,052,998.85/75,512.37
  6. Step 6: Final answer
    x = 80,490.83

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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.