Home / 102,094.32-153,139.32-54,725.52

Finding the Fourth Proportional to 102,094.32, 153,139.32 and 54,725.52

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Solution

The fourth proportional to 102,094.32, 153,139.32 and 54,725.52 is: 82,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,094.32 : 153,139.32 = 54,725.52 : x
  2. Step 2: Convert to fraction form
    102,094.32/153,139.32 = 54,725.52/x
  3. Step 3: Cross multiply
    102,094.32x = 153,139.32 × 54,725.52
  4. Step 4: Simplify right side
    102,094.32x = 8,380,628,919.45
  5. Step 5: Solve for x
    x = 8,380,628,919.45/102,094.32
  6. Step 6: Final answer
    x = 82,087.12

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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.