Home / 80,315.12-110,798.52-48,473.84

Finding the Fourth Proportional to 80,315.12, 110,798.52 and 48,473.84

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Solution

The fourth proportional to 80,315.12, 110,798.52 and 48,473.84 is: 66,871.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,315.12 : 110,798.52 = 48,473.84 : x
  2. Step 2: Convert to fraction form
    80,315.12/110,798.52 = 48,473.84/x
  3. Step 3: Cross multiply
    80,315.12x = 110,798.52 × 48,473.84
  4. Step 4: Simplify right side
    80,315.12x = 5,370,829,730.72
  5. Step 5: Solve for x
    x = 5,370,829,730.72/80,315.12
  6. Step 6: Final answer
    x = 66,871.96

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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.