Home / 73,636.20-101,619.30-40,102.76

Finding the Fourth Proportional to 73,636.20, 101,619.30 and 40,102.76

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Solution

The fourth proportional to 73,636.20, 101,619.30 and 40,102.76 is: 55,342.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,636.20 : 101,619.30 = 40,102.76 : x
  2. Step 2: Convert to fraction form
    73,636.20/101,619.30 = 40,102.76/x
  3. Step 3: Cross multiply
    73,636.20x = 101,619.30 × 40,102.76
  4. Step 4: Simplify right side
    73,636.20x = 4,075,214,399.27
  5. Step 5: Solve for x
    x = 4,075,214,399.27/73,636.20
  6. Step 6: Final answer
    x = 55,342.54

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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.