Home / 81,533.07-112,467.96-51,270.48

Finding the Fourth Proportional to 81,533.07, 112,467.96 and 51,270.48

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Solution

The fourth proportional to 81,533.07, 112,467.96 and 51,270.48 is: 70,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,533.07 : 112,467.96 = 51,270.48 : x
  2. Step 2: Convert to fraction form
    81,533.07/112,467.96 = 51,270.48/x
  3. Step 3: Cross multiply
    81,533.07x = 112,467.96 × 51,270.48
  4. Step 4: Simplify right side
    81,533.07x = 5,766,286,293.82
  5. Step 5: Solve for x
    x = 5,766,286,293.82/81,533.07
  6. Step 6: Final answer
    x = 70,723.28

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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.