Home / 98,389.18-147,588.38-31,834.52

Finding the Fourth Proportional to 98,389.18, 147,588.38 and 31,834.52

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Solution

The fourth proportional to 98,389.18, 147,588.38 and 31,834.52 is: 47,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,389.18 : 147,588.38 = 31,834.52 : x
  2. Step 2: Convert to fraction form
    98,389.18/147,588.38 = 31,834.52/x
  3. Step 3: Cross multiply
    98,389.18x = 147,588.38 × 31,834.52
  4. Step 4: Simplify right side
    98,389.18x = 4,698,405,234.88
  5. Step 5: Solve for x
    x = 4,698,405,234.88/98,389.18
  6. Step 6: Final answer
    x = 47,753.27

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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.