Home / 67,430.85-101,208.39-34,174.50

Finding the Fourth Proportional to 67,430.85, 101,208.39 and 34,174.50

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Solution

The fourth proportional to 67,430.85, 101,208.39 and 34,174.50 is: 51,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.85 : 101,208.39 = 34,174.50 : x
  2. Step 2: Convert to fraction form
    67,430.85/101,208.39 = 34,174.50/x
  3. Step 3: Cross multiply
    67,430.85x = 101,208.39 × 34,174.50
  4. Step 4: Simplify right side
    67,430.85x = 3,458,746,124.06
  5. Step 5: Solve for x
    x = 3,458,746,124.06/67,430.85
  6. Step 6: Final answer
    x = 51,293.23

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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.