Home / 56,387.58-77,847.73-48,821.92

Finding the Fourth Proportional to 56,387.58, 77,847.73 and 48,821.92

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Solution

The fourth proportional to 56,387.58, 77,847.73 and 48,821.92 is: 67,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.58 : 77,847.73 = 48,821.92 : x
  2. Step 2: Convert to fraction form
    56,387.58/77,847.73 = 48,821.92/x
  3. Step 3: Cross multiply
    56,387.58x = 77,847.73 × 48,821.92
  4. Step 4: Simplify right side
    56,387.58x = 3,800,676,042.08
  5. Step 5: Solve for x
    x = 3,800,676,042.08/56,387.58
  6. Step 6: Final answer
    x = 67,402.72

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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.