Home / 103,974.48-143,451.54-61,524.81

Finding the Fourth Proportional to 103,974.48, 143,451.54 and 61,524.81

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Solution

The fourth proportional to 103,974.48, 143,451.54 and 61,524.81 is: 84,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,974.48 : 143,451.54 = 61,524.81 : x
  2. Step 2: Convert to fraction form
    103,974.48/143,451.54 = 61,524.81/x
  3. Step 3: Cross multiply
    103,974.48x = 143,451.54 × 61,524.81
  4. Step 4: Simplify right side
    103,974.48x = 8,825,828,742.71
  5. Step 5: Solve for x
    x = 8,825,828,742.71/103,974.48
  6. Step 6: Final answer
    x = 84,884.57

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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.