Home / 73,778.64-101,814.84-40,245.36

Finding the Fourth Proportional to 73,778.64, 101,814.84 and 40,245.36

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Solution

The fourth proportional to 73,778.64, 101,814.84 and 40,245.36 is: 55,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778.64 : 101,814.84 = 40,245.36 : x
  2. Step 2: Convert to fraction form
    73,778.64/101,814.84 = 40,245.36/x
  3. Step 3: Cross multiply
    73,778.64x = 101,814.84 × 40,245.36
  4. Step 4: Simplify right side
    73,778.64x = 4,097,574,889.14
  5. Step 5: Solve for x
    x = 4,097,574,889.14/73,778.64
  6. Step 6: Final answer
    x = 55,538.77

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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.