Home / 67,735.48-93,478.32-40,877.56

Finding the Fourth Proportional to 67,735.48, 93,478.32 and 40,877.56

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Solution

The fourth proportional to 67,735.48, 93,478.32 and 40,877.56 is: 56,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,735.48 : 93,478.32 = 40,877.56 : x
  2. Step 2: Convert to fraction form
    67,735.48/93,478.32 = 40,877.56/x
  3. Step 3: Cross multiply
    67,735.48x = 93,478.32 × 40,877.56
  4. Step 4: Simplify right side
    67,735.48x = 3,821,165,634.50
  5. Step 5: Solve for x
    x = 3,821,165,634.50/67,735.48
  6. Step 6: Final answer
    x = 56,413.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.