Home / 99,928.56-137,836.92-59,611.20

Finding the Fourth Proportional to 99,928.56, 137,836.92 and 59,611.20

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Solution

The fourth proportional to 99,928.56, 137,836.92 and 59,611.20 is: 82,224.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,928.56 : 137,836.92 = 59,611.20 : x
  2. Step 2: Convert to fraction form
    99,928.56/137,836.92 = 59,611.20/x
  3. Step 3: Cross multiply
    99,928.56x = 137,836.92 × 59,611.20
  4. Step 4: Simplify right side
    99,928.56x = 8,216,624,205.50
  5. Step 5: Solve for x
    x = 8,216,624,205.50/99,928.56
  6. Step 6: Final answer
    x = 82,224.98

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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.