Home / 71,374.10-98,496.96-39,543.44

Finding the Fourth Proportional to 71,374.10, 98,496.96 and 39,543.44

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Solution

The fourth proportional to 71,374.10, 98,496.96 and 39,543.44 is: 54,570.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,374.10 : 98,496.96 = 39,543.44 : x
  2. Step 2: Convert to fraction form
    71,374.10/98,496.96 = 39,543.44/x
  3. Step 3: Cross multiply
    71,374.10x = 98,496.96 × 39,543.44
  4. Step 4: Simplify right side
    71,374.10x = 3,894,908,627.94
  5. Step 5: Solve for x
    x = 3,894,908,627.94/71,374.10
  6. Step 6: Final answer
    x = 54,570.34

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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.