Home / 99,344.88-137,090.48-54,022.82

Finding the Fourth Proportional to 99,344.88, 137,090.48 and 54,022.82

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Solution

The fourth proportional to 99,344.88, 137,090.48 and 54,022.82 is: 74,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,344.88 : 137,090.48 = 54,022.82 : x
  2. Step 2: Convert to fraction form
    99,344.88/137,090.48 = 54,022.82/x
  3. Step 3: Cross multiply
    99,344.88x = 137,090.48 × 54,022.82
  4. Step 4: Simplify right side
    99,344.88x = 7,406,013,369.19
  5. Step 5: Solve for x
    x = 7,406,013,369.19/99,344.88
  6. Step 6: Final answer
    x = 74,548.52

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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.