Home / 48,823.86-67,354.59-28,680.38

Finding the Fourth Proportional to 48,823.86, 67,354.59 and 28,680.38

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Solution

The fourth proportional to 48,823.86, 67,354.59 and 28,680.38 is: 39,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,823.86 : 67,354.59 = 28,680.38 : x
  2. Step 2: Convert to fraction form
    48,823.86/67,354.59 = 28,680.38/x
  3. Step 3: Cross multiply
    48,823.86x = 67,354.59 × 28,680.38
  4. Step 4: Simplify right side
    48,823.86x = 1,931,755,097.98
  5. Step 5: Solve for x
    x = 1,931,755,097.98/48,823.86
  6. Step 6: Final answer
    x = 39,565.80

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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.