Home / 98,822.31-136,373.81-53,499.09

Finding the Fourth Proportional to 98,822.31, 136,373.81 and 53,499.09

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Solution

The fourth proportional to 98,822.31, 136,373.81 and 53,499.09 is: 73,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,822.31 : 136,373.81 = 53,499.09 : x
  2. Step 2: Convert to fraction form
    98,822.31/136,373.81 = 53,499.09/x
  3. Step 3: Cross multiply
    98,822.31x = 136,373.81 × 53,499.09
  4. Step 4: Simplify right side
    98,822.31x = 7,295,874,467.34
  5. Step 5: Solve for x
    x = 7,295,874,467.34/98,822.31
  6. Step 6: Final answer
    x = 73,828.22

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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.