Home / 80,752.44-111,438.38-46,762.72

Finding the Fourth Proportional to 80,752.44, 111,438.38 and 46,762.72

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Solution

The fourth proportional to 80,752.44, 111,438.38 and 46,762.72 is: 64,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,752.44 : 111,438.38 = 46,762.72 : x
  2. Step 2: Convert to fraction form
    80,752.44/111,438.38 = 46,762.72/x
  3. Step 3: Cross multiply
    80,752.44x = 111,438.38 × 46,762.72
  4. Step 4: Simplify right side
    80,752.44x = 5,211,161,599.50
  5. Step 5: Solve for x
    x = 5,211,161,599.50/80,752.44
  6. Step 6: Final answer
    x = 64,532.56

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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.