Home / 78,827.48-118,228.51-22,654.79

Finding the Fourth Proportional to 78,827.48, 118,228.51 and 22,654.79

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Solution

The fourth proportional to 78,827.48, 118,228.51 and 22,654.79 is: 33,978.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.48 : 118,228.51 = 22,654.79 : x
  2. Step 2: Convert to fraction form
    78,827.48/118,228.51 = 22,654.79/x
  3. Step 3: Cross multiply
    78,827.48x = 118,228.51 × 22,654.79
  4. Step 4: Simplify right side
    78,827.48x = 2,678,441,946.60
  5. Step 5: Solve for x
    x = 2,678,441,946.60/78,827.48
  6. Step 6: Final answer
    x = 33,978.53

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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.