Home / 77,235.67-106,579.52-43,236.32

Finding the Fourth Proportional to 77,235.67, 106,579.52 and 43,236.32

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Solution

The fourth proportional to 77,235.67, 106,579.52 and 43,236.32 is: 59,662.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,235.67 : 106,579.52 = 43,236.32 : x
  2. Step 2: Convert to fraction form
    77,235.67/106,579.52 = 43,236.32/x
  3. Step 3: Cross multiply
    77,235.67x = 106,579.52 × 43,236.32
  4. Step 4: Simplify right side
    77,235.67x = 4,608,106,282.43
  5. Step 5: Solve for x
    x = 4,608,106,282.43/77,235.67
  6. Step 6: Final answer
    x = 59,662.93

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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.