Home / 78,828.09-108,773.19-44,840.90

Finding the Fourth Proportional to 78,828.09, 108,773.19 and 44,840.90

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Solution

The fourth proportional to 78,828.09, 108,773.19 and 44,840.90 is: 61,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,828.09 : 108,773.19 = 44,840.90 : x
  2. Step 2: Convert to fraction form
    78,828.09/108,773.19 = 44,840.90/x
  3. Step 3: Cross multiply
    78,828.09x = 108,773.19 × 44,840.90
  4. Step 4: Simplify right side
    78,828.09x = 4,877,487,191.61
  5. Step 5: Solve for x
    x = 4,877,487,191.61/78,828.09
  6. Step 6: Final answer
    x = 61,874.99

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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.