Home / 74,808.63-112,150.85-30,456.27

Finding the Fourth Proportional to 74,808.63, 112,150.85 and 30,456.27

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Solution

The fourth proportional to 74,808.63, 112,150.85 and 30,456.27 is: 45,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,808.63 : 112,150.85 = 30,456.27 : x
  2. Step 2: Convert to fraction form
    74,808.63/112,150.85 = 30,456.27/x
  3. Step 3: Cross multiply
    74,808.63x = 112,150.85 × 30,456.27
  4. Step 4: Simplify right side
    74,808.63x = 3,415,696,416.05
  5. Step 5: Solve for x
    x = 3,415,696,416.05/74,808.63
  6. Step 6: Final answer
    x = 45,659.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.