Home / 102,415.44-153,516.55-57,370.76

Finding the Fourth Proportional to 102,415.44, 153,516.55 and 57,370.76

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Solution

The fourth proportional to 102,415.44, 153,516.55 and 57,370.76 is: 85,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,415.44 : 153,516.55 = 57,370.76 : x
  2. Step 2: Convert to fraction form
    102,415.44/153,516.55 = 57,370.76/x
  3. Step 3: Cross multiply
    102,415.44x = 153,516.55 × 57,370.76
  4. Step 4: Simplify right side
    102,415.44x = 8,807,360,859.22
  5. Step 5: Solve for x
    x = 8,807,360,859.22/102,415.44
  6. Step 6: Final answer
    x = 85,996.42

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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.