Home / 98,296.40-147,466.20-31,725.20

Finding the Fourth Proportional to 98,296.40, 147,466.20 and 31,725.20

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Solution

The fourth proportional to 98,296.40, 147,466.20 and 31,725.20 is: 47,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,296.40 : 147,466.20 = 31,725.20 : x
  2. Step 2: Convert to fraction form
    98,296.40/147,466.20 = 31,725.20/x
  3. Step 3: Cross multiply
    98,296.40x = 147,466.20 × 31,725.20
  4. Step 4: Simplify right side
    98,296.40x = 4,678,394,688.24
  5. Step 5: Solve for x
    x = 4,678,394,688.24/98,296.40
  6. Step 6: Final answer
    x = 47,594.77

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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.