Home / 88,309.81-132,370.35-64,236.41

Finding the Fourth Proportional to 88,309.81, 132,370.35 and 64,236.41

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Solution

The fourth proportional to 88,309.81, 132,370.35 and 64,236.41 is: 96,285.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.81 : 132,370.35 = 64,236.41 : x
  2. Step 2: Convert to fraction form
    88,309.81/132,370.35 = 64,236.41/x
  3. Step 3: Cross multiply
    88,309.81x = 132,370.35 × 64,236.41
  4. Step 4: Simplify right side
    88,309.81x = 8,502,996,029.42
  5. Step 5: Solve for x
    x = 8,502,996,029.42/88,309.81
  6. Step 6: Final answer
    x = 96,285.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.