Home / 98,558.20-147,942.52-42,426.10

Finding the Fourth Proportional to 98,558.20, 147,942.52 and 42,426.10

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Solution

The fourth proportional to 98,558.20, 147,942.52 and 42,426.10 is: 63,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,558.20 : 147,942.52 = 42,426.10 : x
  2. Step 2: Convert to fraction form
    98,558.20/147,942.52 = 42,426.10/x
  3. Step 3: Cross multiply
    98,558.20x = 147,942.52 × 42,426.10
  4. Step 4: Simplify right side
    98,558.20x = 6,276,624,147.77
  5. Step 5: Solve for x
    x = 6,276,624,147.77/98,558.20
  6. Step 6: Final answer
    x = 63,684.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.