Home / 98,828.10-136,382.85-53,506.11

Finding the Fourth Proportional to 98,828.10, 136,382.85 and 53,506.11

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Solution

The fourth proportional to 98,828.10, 136,382.85 and 53,506.11 is: 73,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.10 : 136,382.85 = 53,506.11 : x
  2. Step 2: Convert to fraction form
    98,828.10/136,382.85 = 53,506.11/x
  3. Step 3: Cross multiply
    98,828.10x = 136,382.85 × 53,506.11
  4. Step 4: Simplify right side
    98,828.10x = 7,297,315,774.21
  5. Step 5: Solve for x
    x = 7,297,315,774.21/98,828.10
  6. Step 6: Final answer
    x = 73,838.47

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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.