Home / 80,675.56-111,343.92-48,411.64

Finding the Fourth Proportional to 80,675.56, 111,343.92 and 48,411.64

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Solution

The fourth proportional to 80,675.56, 111,343.92 and 48,411.64 is: 66,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,675.56 : 111,343.92 = 48,411.64 : x
  2. Step 2: Convert to fraction form
    80,675.56/111,343.92 = 48,411.64/x
  3. Step 3: Cross multiply
    80,675.56x = 111,343.92 × 48,411.64
  4. Step 4: Simplify right side
    80,675.56x = 5,390,341,771.23
  5. Step 5: Solve for x
    x = 5,390,341,771.23/80,675.56
  6. Step 6: Final answer
    x = 66,815.05

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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.