Home / 113,917.40-170,894.58-42,845.60

Finding the Fourth Proportional to 113,917.40, 170,894.58 and 42,845.60

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Solution

The fourth proportional to 113,917.40, 170,894.58 and 42,845.60 is: 64,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,917.40 : 170,894.58 = 42,845.60 : x
  2. Step 2: Convert to fraction form
    113,917.40/170,894.58 = 42,845.60/x
  3. Step 3: Cross multiply
    113,917.40x = 170,894.58 × 42,845.60
  4. Step 4: Simplify right side
    113,917.40x = 7,322,080,816.85
  5. Step 5: Solve for x
    x = 7,322,080,816.85/113,917.40
  6. Step 6: Final answer
    x = 64,275.35

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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.