Home / 96,591.22-133,423.98-80,511.31

Finding the Fourth Proportional to 96,591.22, 133,423.98 and 80,511.31

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Solution

The fourth proportional to 96,591.22, 133,423.98 and 80,511.31 is: 111,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,591.22 : 133,423.98 = 80,511.31 : x
  2. Step 2: Convert to fraction form
    96,591.22/133,423.98 = 80,511.31/x
  3. Step 3: Cross multiply
    96,591.22x = 133,423.98 × 80,511.31
  4. Step 4: Simplify right side
    96,591.22x = 10,742,139,415.21
  5. Step 5: Solve for x
    x = 10,742,139,415.21/96,591.22
  6. Step 6: Final answer
    x = 111,212.38

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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.