Home / 78,827.52-118,223.40-22,667.52

Finding the Fourth Proportional to 78,827.52, 118,223.40 and 22,667.52

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Solution

The fourth proportional to 78,827.52, 118,223.40 and 22,667.52 is: 33,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,827.52 : 118,223.40 = 22,667.52 : x
  2. Step 2: Convert to fraction form
    78,827.52/118,223.40 = 22,667.52/x
  3. Step 3: Cross multiply
    78,827.52x = 118,223.40 × 22,667.52
  4. Step 4: Simplify right side
    78,827.52x = 2,679,831,283.97
  5. Step 5: Solve for x
    x = 2,679,831,283.97/78,827.52
  6. Step 6: Final answer
    x = 33,996.14

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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.