Home / 88,632.68-132,636.90-55,368.36

Finding the Fourth Proportional to 88,632.68, 132,636.90 and 55,368.36

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Solution

The fourth proportional to 88,632.68, 132,636.90 and 55,368.36 is: 82,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,632.68 : 132,636.90 = 55,368.36 : x
  2. Step 2: Convert to fraction form
    88,632.68/132,636.90 = 55,368.36/x
  3. Step 3: Cross multiply
    88,632.68x = 132,636.90 × 55,368.36
  4. Step 4: Simplify right side
    88,632.68x = 7,343,887,628.48
  5. Step 5: Solve for x
    x = 7,343,887,628.48/88,632.68
  6. Step 6: Final answer
    x = 82,857.56

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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.