Home / 99,418.47-137,193.36-54,096.63

Finding the Fourth Proportional to 99,418.47, 137,193.36 and 54,096.63

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Solution

The fourth proportional to 99,418.47, 137,193.36 and 54,096.63 is: 74,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,418.47 : 137,193.36 = 54,096.63 : x
  2. Step 2: Convert to fraction form
    99,418.47/137,193.36 = 54,096.63/x
  3. Step 3: Cross multiply
    99,418.47x = 137,193.36 × 54,096.63
  4. Step 4: Simplify right side
    99,418.47x = 7,421,698,434.38
  5. Step 5: Solve for x
    x = 7,421,698,434.38/99,418.47
  6. Step 6: Final answer
    x = 74,651.10

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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.