Home / 104,130.22-156,090.16-40,994.64

Finding the Fourth Proportional to 104,130.22, 156,090.16 and 40,994.64

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Solution

The fourth proportional to 104,130.22, 156,090.16 and 40,994.64 is: 61,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,130.22 : 156,090.16 = 40,994.64 : x
  2. Step 2: Convert to fraction form
    104,130.22/156,090.16 = 40,994.64/x
  3. Step 3: Cross multiply
    104,130.22x = 156,090.16 × 40,994.64
  4. Step 4: Simplify right side
    104,130.22x = 6,398,859,711.77
  5. Step 5: Solve for x
    x = 6,398,859,711.77/104,130.22
  6. Step 6: Final answer
    x = 61,450.55

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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.