Home / 78,840.03-118,296.96-34,461.03

Finding the Fourth Proportional to 78,840.03, 118,296.96 and 34,461.03

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Solution

The fourth proportional to 78,840.03, 118,296.96 and 34,461.03 is: 51,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,840.03 : 118,296.96 = 34,461.03 : x
  2. Step 2: Convert to fraction form
    78,840.03/118,296.96 = 34,461.03/x
  3. Step 3: Cross multiply
    78,840.03x = 118,296.96 × 34,461.03
  4. Step 4: Simplify right side
    78,840.03x = 4,076,635,087.47
  5. Step 5: Solve for x
    x = 4,076,635,087.47/78,840.03
  6. Step 6: Final answer
    x = 51,707.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.