Home / 77,550.10-107,011.58-43,550.86

Finding the Fourth Proportional to 77,550.10, 107,011.58 and 43,550.86

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Solution

The fourth proportional to 77,550.10, 107,011.58 and 43,550.86 is: 60,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,550.10 : 107,011.58 = 43,550.86 : x
  2. Step 2: Convert to fraction form
    77,550.10/107,011.58 = 43,550.86/x
  3. Step 3: Cross multiply
    77,550.10x = 107,011.58 × 43,550.86
  4. Step 4: Simplify right side
    77,550.10x = 4,660,446,338.96
  5. Step 5: Solve for x
    x = 4,660,446,338.96/77,550.10
  6. Step 6: Final answer
    x = 60,095.94

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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.