Home / 99,606.43-137,452.86-54,283.45

Finding the Fourth Proportional to 99,606.43, 137,452.86 and 54,283.45

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Solution

The fourth proportional to 99,606.43, 137,452.86 and 54,283.45 is: 74,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.43 : 137,452.86 = 54,283.45 : x
  2. Step 2: Convert to fraction form
    99,606.43/137,452.86 = 54,283.45/x
  3. Step 3: Cross multiply
    99,606.43x = 137,452.86 × 54,283.45
  4. Step 4: Simplify right side
    99,606.43x = 7,461,415,453.17
  5. Step 5: Solve for x
    x = 7,461,415,453.17/99,606.43
  6. Step 6: Final answer
    x = 74,908.97

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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.