Home / 88,445.31-132,732.09-66,318.27

Finding the Fourth Proportional to 88,445.31, 132,732.09 and 66,318.27

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Solution

The fourth proportional to 88,445.31, 132,732.09 and 66,318.27 is: 99,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,445.31 : 132,732.09 = 66,318.27 : x
  2. Step 2: Convert to fraction form
    88,445.31/132,732.09 = 66,318.27/x
  3. Step 3: Cross multiply
    88,445.31x = 132,732.09 × 66,318.27
  4. Step 4: Simplify right side
    88,445.31x = 8,802,562,582.28
  5. Step 5: Solve for x
    x = 8,802,562,582.28/88,445.31
  6. Step 6: Final answer
    x = 99,525.49

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1.5x scale

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.