Home / 107,668.89-148,549.62-61,094.12

Finding the Fourth Proportional to 107,668.89, 148,549.62 and 61,094.12

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Solution

The fourth proportional to 107,668.89, 148,549.62 and 61,094.12 is: 84,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,668.89 : 148,549.62 = 61,094.12 : x
  2. Step 2: Convert to fraction form
    107,668.89/148,549.62 = 61,094.12/x
  3. Step 3: Cross multiply
    107,668.89x = 148,549.62 × 61,094.12
  4. Step 4: Simplify right side
    107,668.89x = 9,075,507,796.59
  5. Step 5: Solve for x
    x = 9,075,507,796.59/107,668.89
  6. Step 6: Final answer
    x = 84,290.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.