Home / 91,192.32-125,845.92-53,467.20

Finding the Fourth Proportional to 91,192.32, 125,845.92 and 53,467.20

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Solution

The fourth proportional to 91,192.32, 125,845.92 and 53,467.20 is: 73,785.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,192.32 : 125,845.92 = 53,467.20 : x
  2. Step 2: Convert to fraction form
    91,192.32/125,845.92 = 53,467.20/x
  3. Step 3: Cross multiply
    91,192.32x = 125,845.92 × 53,467.20
  4. Step 4: Simplify right side
    91,192.32x = 6,728,628,973.82
  5. Step 5: Solve for x
    x = 6,728,628,973.82/91,192.32
  6. Step 6: Final answer
    x = 73,785.04

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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.