Home / 78,827.41-108,784.21-44,840.78

Finding the Fourth Proportional to 78,827.41, 108,784.21 and 44,840.78

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Solution

The fourth proportional to 78,827.41, 108,784.21 and 44,840.78 is: 61,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.41 : 108,784.21 = 44,840.78 : x
  2. Step 2: Convert to fraction form
    78,827.41/108,784.21 = 44,840.78/x
  3. Step 3: Cross multiply
    78,827.41x = 108,784.21 × 44,840.78
  4. Step 4: Simplify right side
    78,827.41x = 4,877,968,172.06
  5. Step 5: Solve for x
    x = 4,877,968,172.06/78,827.41
  6. Step 6: Final answer
    x = 61,881.63

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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.