Home / 102,027.15-153,056.57-52,080.22

Finding the Fourth Proportional to 102,027.15, 153,056.57 and 52,080.22

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Solution

The fourth proportional to 102,027.15, 153,056.57 and 52,080.22 is: 78,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,027.15 : 153,056.57 = 52,080.22 : x
  2. Step 2: Convert to fraction form
    102,027.15/153,056.57 = 52,080.22/x
  3. Step 3: Cross multiply
    102,027.15x = 153,056.57 × 52,080.22
  4. Step 4: Simplify right side
    102,027.15x = 7,971,219,195.00
  5. Step 5: Solve for x
    x = 7,971,219,195.00/102,027.15
  6. Step 6: Final answer
    x = 78,128.41

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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.