Home / 61,730.78-85,188.38-33,436.44

Finding the Fourth Proportional to 61,730.78, 85,188.38 and 33,436.44

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Solution

The fourth proportional to 61,730.78, 85,188.38 and 33,436.44 is: 46,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,730.78 : 85,188.38 = 33,436.44 : x
  2. Step 2: Convert to fraction form
    61,730.78/85,188.38 = 33,436.44/x
  3. Step 3: Cross multiply
    61,730.78x = 85,188.38 × 33,436.44
  4. Step 4: Simplify right side
    61,730.78x = 2,848,395,989.39
  5. Step 5: Solve for x
    x = 2,848,395,989.39/61,730.78
  6. Step 6: Final answer
    x = 46,142.24

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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.