Home / 75,408.37-104,065.73-43,148.23

Finding the Fourth Proportional to 75,408.37, 104,065.73 and 43,148.23

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Solution

The fourth proportional to 75,408.37, 104,065.73 and 43,148.23 is: 59,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,408.37 : 104,065.73 = 43,148.23 : x
  2. Step 2: Convert to fraction form
    75,408.37/104,065.73 = 43,148.23/x
  3. Step 3: Cross multiply
    75,408.37x = 104,065.73 × 43,148.23
  4. Step 4: Simplify right side
    75,408.37x = 4,490,251,739.06
  5. Step 5: Solve for x
    x = 4,490,251,739.06/75,408.37
  6. Step 6: Final answer
    x = 59,545.80

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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.