Home / 74,900.48-103,363.46-40,909.96

Finding the Fourth Proportional to 74,900.48, 103,363.46 and 40,909.96

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Solution

The fourth proportional to 74,900.48, 103,363.46 and 40,909.96 is: 56,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,900.48 : 103,363.46 = 40,909.96 : x
  2. Step 2: Convert to fraction form
    74,900.48/103,363.46 = 40,909.96/x
  3. Step 3: Cross multiply
    74,900.48x = 103,363.46 × 40,909.96
  4. Step 4: Simplify right side
    74,900.48x = 4,228,595,014.06
  5. Step 5: Solve for x
    x = 4,228,595,014.06/74,900.48
  6. Step 6: Final answer
    x = 56,456.18

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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.