Home / 98,834.10-136,390.85-53,512.12

Finding the Fourth Proportional to 98,834.10, 136,390.85 and 53,512.12

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Solution

The fourth proportional to 98,834.10, 136,390.85 and 53,512.12 is: 73,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,834.10 : 136,390.85 = 53,512.12 : x
  2. Step 2: Convert to fraction form
    98,834.10/136,390.85 = 53,512.12/x
  3. Step 3: Cross multiply
    98,834.10x = 136,390.85 × 53,512.12
  4. Step 4: Simplify right side
    98,834.10x = 7,298,563,635.70
  5. Step 5: Solve for x
    x = 7,298,563,635.70/98,834.10
  6. Step 6: Final answer
    x = 73,846.62

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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.