Home / 104,917.09-157,424.78-52,330.63

Finding the Fourth Proportional to 104,917.09, 157,424.78 and 52,330.63

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Solution

The fourth proportional to 104,917.09, 157,424.78 and 52,330.63 is: 78,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,917.09 : 157,424.78 = 52,330.63 : x
  2. Step 2: Convert to fraction form
    104,917.09/157,424.78 = 52,330.63/x
  3. Step 3: Cross multiply
    104,917.09x = 157,424.78 × 52,330.63
  4. Step 4: Simplify right side
    104,917.09x = 8,238,137,915.01
  5. Step 5: Solve for x
    x = 8,238,137,915.01/104,917.09
  6. Step 6: Final answer
    x = 78,520.46

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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.