Home / 98,558.82-135,963.61-64,552.34

Finding the Fourth Proportional to 98,558.82, 135,963.61 and 64,552.34

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Solution

The fourth proportional to 98,558.82, 135,963.61 and 64,552.34 is: 89,051.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,558.82 : 135,963.61 = 64,552.34 : x
  2. Step 2: Convert to fraction form
    98,558.82/135,963.61 = 64,552.34/x
  3. Step 3: Cross multiply
    98,558.82x = 135,963.61 × 64,552.34
  4. Step 4: Simplify right side
    98,558.82x = 8,776,769,358.88
  5. Step 5: Solve for x
    x = 8,776,769,358.88/98,558.82
  6. Step 6: Final answer
    x = 89,051.08

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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.