Home / 98,850.40-136,414.64-53,529.36

Finding the Fourth Proportional to 98,850.40, 136,414.64 and 53,529.36

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Solution

The fourth proportional to 98,850.40, 136,414.64 and 53,529.36 is: 73,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,850.40 : 136,414.64 = 53,529.36 : x
  2. Step 2: Convert to fraction form
    98,850.40/136,414.64 = 53,529.36/x
  3. Step 3: Cross multiply
    98,850.40x = 136,414.64 × 53,529.36
  4. Step 4: Simplify right side
    98,850.40x = 7,302,188,373.83
  5. Step 5: Solve for x
    x = 7,302,188,373.83/98,850.40
  6. Step 6: Final answer
    x = 73,871.11

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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.