Home / 74,129.33-111,177.32-34,109.92

Finding the Fourth Proportional to 74,129.33, 111,177.32 and 34,109.92

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Solution

The fourth proportional to 74,129.33, 111,177.32 and 34,109.92 is: 51,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,129.33 : 111,177.32 = 34,109.92 : x
  2. Step 2: Convert to fraction form
    74,129.33/111,177.32 = 34,109.92/x
  3. Step 3: Cross multiply
    74,129.33x = 111,177.32 × 34,109.92
  4. Step 4: Simplify right side
    74,129.33x = 3,792,249,242.68
  5. Step 5: Solve for x
    x = 3,792,249,242.68/74,129.33
  6. Step 6: Final answer
    x = 51,157.21

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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.