Home / 117,537.80-176,090.70-55,070.60

Finding the Fourth Proportional to 117,537.80, 176,090.70 and 55,070.60

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Solution

The fourth proportional to 117,537.80, 176,090.70 and 55,070.60 is: 82,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,537.80 : 176,090.70 = 55,070.60 : x
  2. Step 2: Convert to fraction form
    117,537.80/176,090.70 = 55,070.60/x
  3. Step 3: Cross multiply
    117,537.80x = 176,090.70 × 55,070.60
  4. Step 4: Simplify right side
    117,537.80x = 9,697,420,503.42
  5. Step 5: Solve for x
    x = 9,697,420,503.42/117,537.80
  6. Step 6: Final answer
    x = 82,504.70

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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.