Home / 80,272.09-110,776.29-48,434.86

Finding the Fourth Proportional to 80,272.09, 110,776.29 and 48,434.86

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Solution

The fourth proportional to 80,272.09, 110,776.29 and 48,434.86 is: 66,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,272.09 : 110,776.29 = 48,434.86 : x
  2. Step 2: Convert to fraction form
    80,272.09/110,776.29 = 48,434.86/x
  3. Step 3: Cross multiply
    80,272.09x = 110,776.29 × 48,434.86
  4. Step 4: Simplify right side
    80,272.09x = 5,365,434,097.47
  5. Step 5: Solve for x
    x = 5,365,434,097.47/80,272.09
  6. Step 6: Final answer
    x = 66,840.59

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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.