Home / 98,733.36-136,251.36-54,021.36

Finding the Fourth Proportional to 98,733.36, 136,251.36 and 54,021.36

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Solution

The fourth proportional to 98,733.36, 136,251.36 and 54,021.36 is: 74,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,733.36 : 136,251.36 = 54,021.36 : x
  2. Step 2: Convert to fraction form
    98,733.36/136,251.36 = 54,021.36/x
  3. Step 3: Cross multiply
    98,733.36x = 136,251.36 × 54,021.36
  4. Step 4: Simplify right side
    98,733.36x = 7,360,483,769.05
  5. Step 5: Solve for x
    x = 7,360,483,769.05/98,733.36
  6. Step 6: Final answer
    x = 74,549.11

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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.