Home / 80,637.76-111,271.20-48,370.24

Finding the Fourth Proportional to 80,637.76, 111,271.20 and 48,370.24

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Solution

The fourth proportional to 80,637.76, 111,271.20 and 48,370.24 is: 66,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,637.76 : 111,271.20 = 48,370.24 : x
  2. Step 2: Convert to fraction form
    80,637.76/111,271.20 = 48,370.24/x
  3. Step 3: Cross multiply
    80,637.76x = 111,271.20 × 48,370.24
  4. Step 4: Simplify right side
    80,637.76x = 5,382,214,649.09
  5. Step 5: Solve for x
    x = 5,382,214,649.09/80,637.76
  6. Step 6: Final answer
    x = 66,745.59

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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.