Home / 74,829.14-112,231.50-30,454.10

Finding the Fourth Proportional to 74,829.14, 112,231.50 and 30,454.10

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Solution

The fourth proportional to 74,829.14, 112,231.50 and 30,454.10 is: 45,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,829.14 : 112,231.50 = 30,454.10 : x
  2. Step 2: Convert to fraction form
    74,829.14/112,231.50 = 30,454.10/x
  3. Step 3: Cross multiply
    74,829.14x = 112,231.50 × 30,454.10
  4. Step 4: Simplify right side
    74,829.14x = 3,417,909,324.15
  5. Step 5: Solve for x
    x = 3,417,909,324.15/74,829.14
  6. Step 6: Final answer
    x = 45,676.18

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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.