Home / 73,485.36-101,410.20-43,272

Finding the Fourth Proportional to 73,485.36, 101,410.20 and 43,272

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Solution

The fourth proportional to 73,485.36, 101,410.20 and 43,272 is: 59,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,485.36 : 101,410.20 = 43,272 : x
  2. Step 2: Convert to fraction form
    73,485.36/101,410.20 = 43,272/x
  3. Step 3: Cross multiply
    73,485.36x = 101,410.20 × 43,272
  4. Step 4: Simplify right side
    73,485.36x = 4,388,222,174.40
  5. Step 5: Solve for x
    x = 4,388,222,174.40/73,485.36
  6. Step 6: Final answer
    x = 59,715.60

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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.