Home / 98,876.49-136,449.22-53,554.36

Finding the Fourth Proportional to 98,876.49, 136,449.22 and 53,554.36

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Solution

The fourth proportional to 98,876.49, 136,449.22 and 53,554.36 is: 73,904.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,876.49 : 136,449.22 = 53,554.36 : x
  2. Step 2: Convert to fraction form
    98,876.49/136,449.22 = 53,554.36/x
  3. Step 3: Cross multiply
    98,876.49x = 136,449.22 × 53,554.36
  4. Step 4: Simplify right side
    98,876.49x = 7,307,449,967.35
  5. Step 5: Solve for x
    x = 7,307,449,967.35/98,876.49
  6. Step 6: Final answer
    x = 73,904.83

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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.