Home / 109,486.32-151,091.35-59,185.32

Finding the Fourth Proportional to 109,486.32, 151,091.35 and 59,185.32

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Solution

The fourth proportional to 109,486.32, 151,091.35 and 59,185.32 is: 81,675.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,486.32 : 151,091.35 = 59,185.32 : x
  2. Step 2: Convert to fraction form
    109,486.32/151,091.35 = 59,185.32/x
  3. Step 3: Cross multiply
    109,486.32x = 151,091.35 × 59,185.32
  4. Step 4: Simplify right side
    109,486.32x = 8,942,389,898.98
  5. Step 5: Solve for x
    x = 8,942,389,898.98/109,486.32
  6. Step 6: Final answer
    x = 81,675.87

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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.