Home / 104,109.64-156,228.70-40,918.66

Finding the Fourth Proportional to 104,109.64, 156,228.70 and 40,918.66

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Solution

The fourth proportional to 104,109.64, 156,228.70 and 40,918.66 is: 61,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,109.64 : 156,228.70 = 40,918.66 : x
  2. Step 2: Convert to fraction form
    104,109.64/156,228.70 = 40,918.66/x
  3. Step 3: Cross multiply
    104,109.64x = 156,228.70 × 40,918.66
  4. Step 4: Simplify right side
    104,109.64x = 6,392,668,564.67
  5. Step 5: Solve for x
    x = 6,392,668,564.67/104,109.64
  6. Step 6: Final answer
    x = 61,403.24

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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.