Home / 77,609.27-107,109.64-43,157.41

Finding the Fourth Proportional to 77,609.27, 107,109.64 and 43,157.41

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Solution

The fourth proportional to 77,609.27, 107,109.64 and 43,157.41 is: 59,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,609.27 : 107,109.64 = 43,157.41 : x
  2. Step 2: Convert to fraction form
    77,609.27/107,109.64 = 43,157.41/x
  3. Step 3: Cross multiply
    77,609.27x = 107,109.64 × 43,157.41
  4. Step 4: Simplify right side
    77,609.27x = 4,622,574,795.44
  5. Step 5: Solve for x
    x = 4,622,574,795.44/77,609.27
  6. Step 6: Final answer
    x = 59,562.15

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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.