Home / 74,544.07-102,869.97-55,508.98

Finding the Fourth Proportional to 74,544.07, 102,869.97 and 55,508.98

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Solution

The fourth proportional to 74,544.07, 102,869.97 and 55,508.98 is: 76,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,544.07 : 102,869.97 = 55,508.98 : x
  2. Step 2: Convert to fraction form
    74,544.07/102,869.97 = 55,508.98/x
  3. Step 3: Cross multiply
    74,544.07x = 102,869.97 × 55,508.98
  4. Step 4: Simplify right side
    74,544.07x = 5,710,207,107.33
  5. Step 5: Solve for x
    x = 5,710,207,107.33/74,544.07
  6. Step 6: Final answer
    x = 76,601.76

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1.5x scale

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.