Home / 99,314.24-137,052-53,993.36

Finding the Fourth Proportional to 99,314.24, 137,052 and 53,993.36

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Solution

The fourth proportional to 99,314.24, 137,052 and 53,993.36 is: 74,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,314.24 : 137,052 = 53,993.36 : x
  2. Step 2: Convert to fraction form
    99,314.24/137,052 = 53,993.36/x
  3. Step 3: Cross multiply
    99,314.24x = 137,052 × 53,993.36
  4. Step 4: Simplify right side
    99,314.24x = 7,399,897,974.72
  5. Step 5: Solve for x
    x = 7,399,897,974.72/99,314.24
  6. Step 6: Final answer
    x = 74,509.94

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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.