Home / 83,534.48-125,299.32-30,942.80

Finding the Fourth Proportional to 83,534.48, 125,299.32 and 30,942.80

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Solution

The fourth proportional to 83,534.48, 125,299.32 and 30,942.80 is: 46,413.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,534.48 : 125,299.32 = 30,942.80 : x
  2. Step 2: Convert to fraction form
    83,534.48/125,299.32 = 30,942.80/x
  3. Step 3: Cross multiply
    83,534.48x = 125,299.32 × 30,942.80
  4. Step 4: Simplify right side
    83,534.48x = 3,877,111,798.90
  5. Step 5: Solve for x
    x = 3,877,111,798.90/83,534.48
  6. Step 6: Final answer
    x = 46,413.31

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1.5x scale

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.