Home / 71,302.35-98,366.36-42,992.31

Finding the Fourth Proportional to 71,302.35, 98,366.36 and 42,992.31

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Solution

The fourth proportional to 71,302.35, 98,366.36 and 42,992.31 is: 59,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302.35 : 98,366.36 = 42,992.31 : x
  2. Step 2: Convert to fraction form
    71,302.35/98,366.36 = 42,992.31/x
  3. Step 3: Cross multiply
    71,302.35x = 98,366.36 × 42,992.31
  4. Step 4: Simplify right side
    71,302.35x = 4,228,996,827.73
  5. Step 5: Solve for x
    x = 4,228,996,827.73/71,302.35
  6. Step 6: Final answer
    x = 59,310.76

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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.