Home / 74,281.20-102,473.28-48,829.92

Finding the Fourth Proportional to 74,281.20, 102,473.28 and 48,829.92

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Solution

The fourth proportional to 74,281.20, 102,473.28 and 48,829.92 is: 67,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,281.20 : 102,473.28 = 48,829.92 : x
  2. Step 2: Convert to fraction form
    74,281.20/102,473.28 = 48,829.92/x
  3. Step 3: Cross multiply
    74,281.20x = 102,473.28 × 48,829.92
  4. Step 4: Simplify right side
    74,281.20x = 5,003,762,064.54
  5. Step 5: Solve for x
    x = 5,003,762,064.54/74,281.20
  6. Step 6: Final answer
    x = 67,362.43

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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.