Home / 74,829.23-112,146.37-30,404.04

Finding the Fourth Proportional to 74,829.23, 112,146.37 and 30,404.04

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Solution

The fourth proportional to 74,829.23, 112,146.37 and 30,404.04 is: 45,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,829.23 : 112,146.37 = 30,404.04 : x
  2. Step 2: Convert to fraction form
    74,829.23/112,146.37 = 30,404.04/x
  3. Step 3: Cross multiply
    74,829.23x = 112,146.37 × 30,404.04
  4. Step 4: Simplify right side
    74,829.23x = 3,409,702,567.31
  5. Step 5: Solve for x
    x = 3,409,702,567.31/74,829.23
  6. Step 6: Final answer
    x = 45,566.46

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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.