Home / 80,271.09-110,774.91-48,433.86

Finding the Fourth Proportional to 80,271.09, 110,774.91 and 48,433.86

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Solution

The fourth proportional to 80,271.09, 110,774.91 and 48,433.86 is: 66,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,271.09 : 110,774.91 = 48,433.86 : x
  2. Step 2: Convert to fraction form
    80,271.09/110,774.91 = 48,433.86/x
  3. Step 3: Cross multiply
    80,271.09x = 110,774.91 × 48,433.86
  4. Step 4: Simplify right side
    80,271.09x = 5,365,256,482.45
  5. Step 5: Solve for x
    x = 5,365,256,482.45/80,271.09
  6. Step 6: Final answer
    x = 66,839.21

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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.