Home / 115,342.80-173,092.50-40,462.32

Finding the Fourth Proportional to 115,342.80, 173,092.50 and 40,462.32

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Solution

The fourth proportional to 115,342.80, 173,092.50 and 40,462.32 is: 60,720.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,342.80 : 173,092.50 = 40,462.32 : x
  2. Step 2: Convert to fraction form
    115,342.80/173,092.50 = 40,462.32/x
  3. Step 3: Cross multiply
    115,342.80x = 173,092.50 × 40,462.32
  4. Step 4: Simplify right side
    115,342.80x = 7,003,724,124.60
  5. Step 5: Solve for x
    x = 7,003,724,124.60/115,342.80
  6. Step 6: Final answer
    x = 60,720.95

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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.