Home / 99,243.48-136,898.46-65,258.04

Finding the Fourth Proportional to 99,243.48, 136,898.46 and 65,258.04

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Solution

The fourth proportional to 99,243.48, 136,898.46 and 65,258.04 is: 90,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,243.48 : 136,898.46 = 65,258.04 : x
  2. Step 2: Convert to fraction form
    99,243.48/136,898.46 = 65,258.04/x
  3. Step 3: Cross multiply
    99,243.48x = 136,898.46 × 65,258.04
  4. Step 4: Simplify right side
    99,243.48x = 8,933,725,178.62
  5. Step 5: Solve for x
    x = 8,933,725,178.62/99,243.48
  6. Step 6: Final answer
    x = 90,018.26

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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.