Home / 113,479.10-169,927.05-83,735.90

Finding the Fourth Proportional to 113,479.10, 169,927.05 and 83,735.90

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Solution

The fourth proportional to 113,479.10, 169,927.05 and 83,735.90 is: 125,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,479.10 : 169,927.05 = 83,735.90 : x
  2. Step 2: Convert to fraction form
    113,479.10/169,927.05 = 83,735.90/x
  3. Step 3: Cross multiply
    113,479.10x = 169,927.05 × 83,735.90
  4. Step 4: Simplify right side
    113,479.10x = 14,228,994,466.10
  5. Step 5: Solve for x
    x = 14,228,994,466.10/113,479.10
  6. Step 6: Final answer
    x = 125,388.68

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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.