Home / 98,828.29-136,384.14-53,507.26

Finding the Fourth Proportional to 98,828.29, 136,384.14 and 53,507.26

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Solution

The fourth proportional to 98,828.29, 136,384.14 and 53,507.26 is: 73,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.29 : 136,384.14 = 53,507.26 : x
  2. Step 2: Convert to fraction form
    98,828.29/136,384.14 = 53,507.26/x
  3. Step 3: Cross multiply
    98,828.29x = 136,384.14 × 53,507.26
  4. Step 4: Simplify right side
    98,828.29x = 7,297,541,638.86
  5. Step 5: Solve for x
    x = 7,297,541,638.86/98,828.29
  6. Step 6: Final answer
    x = 73,840.61

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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.