Home / 99,429.99-137,216.26-54,110.89

Finding the Fourth Proportional to 99,429.99, 137,216.26 and 54,110.89

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Solution

The fourth proportional to 99,429.99, 137,216.26 and 54,110.89 is: 74,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,429.99 : 137,216.26 = 54,110.89 : x
  2. Step 2: Convert to fraction form
    99,429.99/137,216.26 = 54,110.89/x
  3. Step 3: Cross multiply
    99,429.99x = 137,216.26 × 54,110.89
  4. Step 4: Simplify right side
    99,429.99x = 7,424,893,951.07
  5. Step 5: Solve for x
    x = 7,424,893,951.07/99,429.99
  6. Step 6: Final answer
    x = 74,674.59

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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.