Home / 46,780.86-70,188.75-28,074.32

Finding the Fourth Proportional to 46,780.86, 70,188.75 and 28,074.32

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Solution

The fourth proportional to 46,780.86, 70,188.75 and 28,074.32 is: 42,121.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,780.86 : 70,188.75 = 28,074.32 : x
  2. Step 2: Convert to fraction form
    46,780.86/70,188.75 = 28,074.32/x
  3. Step 3: Cross multiply
    46,780.86x = 70,188.75 × 28,074.32
  4. Step 4: Simplify right side
    46,780.86x = 1,970,501,076.96
  5. Step 5: Solve for x
    x = 1,970,501,076.96/46,780.86
  6. Step 6: Final answer
    x = 42,121.95

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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.