Home / 99,591.45-149,374.86-40,370.22

Finding the Fourth Proportional to 99,591.45, 149,374.86 and 40,370.22

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Solution

The fourth proportional to 99,591.45, 149,374.86 and 40,370.22 is: 60,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,591.45 : 149,374.86 = 40,370.22 : x
  2. Step 2: Convert to fraction form
    99,591.45/149,374.86 = 40,370.22/x
  3. Step 3: Cross multiply
    99,591.45x = 149,374.86 × 40,370.22
  4. Step 4: Simplify right side
    99,591.45x = 6,030,296,342.94
  5. Step 5: Solve for x
    x = 6,030,296,342.94/99,591.45
  6. Step 6: Final answer
    x = 60,550.34

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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.