Home / 75,110.34-103,678.36-46,451.94

Finding the Fourth Proportional to 75,110.34, 103,678.36 and 46,451.94

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Solution

The fourth proportional to 75,110.34, 103,678.36 and 46,451.94 is: 64,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,110.34 : 103,678.36 = 46,451.94 : x
  2. Step 2: Convert to fraction form
    75,110.34/103,678.36 = 46,451.94/x
  3. Step 3: Cross multiply
    75,110.34x = 103,678.36 × 46,451.94
  4. Step 4: Simplify right side
    75,110.34x = 4,816,060,958.02
  5. Step 5: Solve for x
    x = 4,816,060,958.02/75,110.34
  6. Step 6: Final answer
    x = 64,119.81

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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.