Home / 112,445.57-168,668.37-45,917.03

Finding the Fourth Proportional to 112,445.57, 168,668.37 and 45,917.03

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Solution

The fourth proportional to 112,445.57, 168,668.37 and 45,917.03 is: 68,875.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445.57 : 168,668.37 = 45,917.03 : x
  2. Step 2: Convert to fraction form
    112,445.57/168,668.37 = 45,917.03/x
  3. Step 3: Cross multiply
    112,445.57x = 168,668.37 × 45,917.03
  4. Step 4: Simplify right side
    112,445.57x = 7,744,749,762.00
  5. Step 5: Solve for x
    x = 7,744,749,762.00/112,445.57
  6. Step 6: Final answer
    x = 68,875.55

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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.