Home / 113,814.70-170,722.05-73,897.90

Finding the Fourth Proportional to 113,814.70, 170,722.05 and 73,897.90

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Solution

The fourth proportional to 113,814.70, 170,722.05 and 73,897.90 is: 110,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,814.70 : 170,722.05 = 73,897.90 : x
  2. Step 2: Convert to fraction form
    113,814.70/170,722.05 = 73,897.90/x
  3. Step 3: Cross multiply
    113,814.70x = 170,722.05 × 73,897.90
  4. Step 4: Simplify right side
    113,814.70x = 12,616,000,978.70
  5. Step 5: Solve for x
    x = 12,616,000,978.70/113,814.70
  6. Step 6: Final answer
    x = 110,846.85

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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.