Home / 68,112.87-93,997.98-42,611.08

Finding the Fourth Proportional to 68,112.87, 93,997.98 and 42,611.08

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Solution

The fourth proportional to 68,112.87, 93,997.98 and 42,611.08 is: 58,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,112.87 : 93,997.98 = 42,611.08 : x
  2. Step 2: Convert to fraction form
    68,112.87/93,997.98 = 42,611.08/x
  3. Step 3: Cross multiply
    68,112.87x = 93,997.98 × 42,611.08
  4. Step 4: Simplify right side
    68,112.87x = 4,005,355,445.62
  5. Step 5: Solve for x
    x = 4,005,355,445.62/68,112.87
  6. Step 6: Final answer
    x = 58,804.68

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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.