Home / 55,352.10-76,395.66-32,689.56

Finding the Fourth Proportional to 55,352.10, 76,395.66 and 32,689.56

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Solution

The fourth proportional to 55,352.10, 76,395.66 and 32,689.56 is: 45,117.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,352.10 : 76,395.66 = 32,689.56 : x
  2. Step 2: Convert to fraction form
    55,352.10/76,395.66 = 32,689.56/x
  3. Step 3: Cross multiply
    55,352.10x = 76,395.66 × 32,689.56
  4. Step 4: Simplify right side
    55,352.10x = 2,497,340,511.31
  5. Step 5: Solve for x
    x = 2,497,340,511.31/55,352.10
  6. Step 6: Final answer
    x = 45,117.36

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1.5x scale

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.