Home / 102,027.54-153,057.16-52,080.60

Finding the Fourth Proportional to 102,027.54, 153,057.16 and 52,080.60

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Solution

The fourth proportional to 102,027.54, 153,057.16 and 52,080.60 is: 78,128.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,027.54 : 153,057.16 = 52,080.60 : x
  2. Step 2: Convert to fraction form
    102,027.54/153,057.16 = 52,080.60/x
  3. Step 3: Cross multiply
    102,027.54x = 153,057.16 × 52,080.60
  4. Step 4: Simplify right side
    102,027.54x = 7,971,308,727.10
  5. Step 5: Solve for x
    x = 7,971,308,727.10/102,027.54
  6. Step 6: Final answer
    x = 78,128.99

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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.