Home / 115,842.37-173,777.86-40,947.07

Finding the Fourth Proportional to 115,842.37, 173,777.86 and 40,947.07

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Solution

The fourth proportional to 115,842.37, 173,777.86 and 40,947.07 is: 61,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,842.37 : 173,777.86 = 40,947.07 : x
  2. Step 2: Convert to fraction form
    115,842.37/173,777.86 = 40,947.07/x
  3. Step 3: Cross multiply
    115,842.37x = 173,777.86 × 40,947.07
  4. Step 4: Simplify right side
    115,842.37x = 7,115,694,197.87
  5. Step 5: Solve for x
    x = 7,115,694,197.87/115,842.37
  6. Step 6: Final answer
    x = 61,425.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.