Home / 71,634.04-98,829.72-40,984.75

Finding the Fourth Proportional to 71,634.04, 98,829.72 and 40,984.75

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Solution

The fourth proportional to 71,634.04, 98,829.72 and 40,984.75 is: 56,544.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,634.04 : 98,829.72 = 40,984.75 : x
  2. Step 2: Convert to fraction form
    71,634.04/98,829.72 = 40,984.75/x
  3. Step 3: Cross multiply
    71,634.04x = 98,829.72 × 40,984.75
  4. Step 4: Simplify right side
    71,634.04x = 4,050,511,366.77
  5. Step 5: Solve for x
    x = 4,050,511,366.77/71,634.04
  6. Step 6: Final answer
    x = 56,544.51

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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.