Home / 77,832.32-107,415.22-43,847.48

Finding the Fourth Proportional to 77,832.32, 107,415.22 and 43,847.48

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Solution

The fourth proportional to 77,832.32, 107,415.22 and 43,847.48 is: 60,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,832.32 : 107,415.22 = 43,847.48 : x
  2. Step 2: Convert to fraction form
    77,832.32/107,415.22 = 43,847.48/x
  3. Step 3: Cross multiply
    77,832.32x = 107,415.22 × 43,847.48
  4. Step 4: Simplify right side
    77,832.32x = 4,709,886,710.65
  5. Step 5: Solve for x
    x = 4,709,886,710.65/77,832.32
  6. Step 6: Final answer
    x = 60,513.25

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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.