Home / 102,820.58-141,835.41-59,795.36

Finding the Fourth Proportional to 102,820.58, 141,835.41 and 59,795.36

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Solution

The fourth proportional to 102,820.58, 141,835.41 and 59,795.36 is: 82,484.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,820.58 : 141,835.41 = 59,795.36 : x
  2. Step 2: Convert to fraction form
    102,820.58/141,835.41 = 59,795.36/x
  3. Step 3: Cross multiply
    102,820.58x = 141,835.41 × 59,795.36
  4. Step 4: Simplify right side
    102,820.58x = 8,481,099,401.70
  5. Step 5: Solve for x
    x = 8,481,099,401.70/102,820.58
  6. Step 6: Final answer
    x = 82,484.45

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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.