Home / 98,834.10-136,389.42-53,511.72

Finding the Fourth Proportional to 98,834.10, 136,389.42 and 53,511.72

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Solution

The fourth proportional to 98,834.10, 136,389.42 and 53,511.72 is: 73,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,834.10 : 136,389.42 = 53,511.72 : x
  2. Step 2: Convert to fraction form
    98,834.10/136,389.42 = 53,511.72/x
  3. Step 3: Cross multiply
    98,834.10x = 136,389.42 × 53,511.72
  4. Step 4: Simplify right side
    98,834.10x = 7,298,432,454.00
  5. Step 5: Solve for x
    x = 7,298,432,454.00/98,834.10
  6. Step 6: Final answer
    x = 73,845.29

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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.