Home / 98,983.10-136,564.53-55,958.42

Finding the Fourth Proportional to 98,983.10, 136,564.53 and 55,958.42

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Solution

The fourth proportional to 98,983.10, 136,564.53 and 55,958.42 is: 77,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,983.10 : 136,564.53 = 55,958.42 : x
  2. Step 2: Convert to fraction form
    98,983.10/136,564.53 = 55,958.42/x
  3. Step 3: Cross multiply
    98,983.10x = 136,564.53 × 55,958.42
  4. Step 4: Simplify right side
    98,983.10x = 7,641,934,644.02
  5. Step 5: Solve for x
    x = 7,641,934,644.02/98,983.10
  6. Step 6: Final answer
    x = 77,204.44

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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.