Home / 78,824.34-108,768.02-44,837.15

Finding the Fourth Proportional to 78,824.34, 108,768.02 and 44,837.15

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Solution

The fourth proportional to 78,824.34, 108,768.02 and 44,837.15 is: 61,869.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,824.34 : 108,768.02 = 44,837.15 : x
  2. Step 2: Convert to fraction form
    78,824.34/108,768.02 = 44,837.15/x
  3. Step 3: Cross multiply
    78,824.34x = 108,768.02 × 44,837.15
  4. Step 4: Simplify right side
    78,824.34x = 4,876,847,259.92
  5. Step 5: Solve for x
    x = 4,876,847,259.92/78,824.34
  6. Step 6: Final answer
    x = 61,869.81

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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.