Home / 40,729.70-61,090.04-10,746.98

Finding the Fourth Proportional to 40,729.70, 61,090.04 and 10,746.98

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Solution

The fourth proportional to 40,729.70, 61,090.04 and 10,746.98 is: 16,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.70 : 61,090.04 = 10,746.98 : x
  2. Step 2: Convert to fraction form
    40,729.70/61,090.04 = 10,746.98/x
  3. Step 3: Cross multiply
    40,729.70x = 61,090.04 × 10,746.98
  4. Step 4: Simplify right side
    40,729.70x = 656,533,078.89
  5. Step 5: Solve for x
    x = 656,533,078.89/40,729.70
  6. Step 6: Final answer
    x = 16,119.27

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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.