Home / 83,938.18-125,907.30-27,763.22

Finding the Fourth Proportional to 83,938.18, 125,907.30 and 27,763.22

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Solution

The fourth proportional to 83,938.18, 125,907.30 and 27,763.22 is: 41,644.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,938.18 : 125,907.30 = 27,763.22 : x
  2. Step 2: Convert to fraction form
    83,938.18/125,907.30 = 27,763.22/x
  3. Step 3: Cross multiply
    83,938.18x = 125,907.30 × 27,763.22
  4. Step 4: Simplify right side
    83,938.18x = 3,495,592,069.51
  5. Step 5: Solve for x
    x = 3,495,592,069.51/83,938.18
  6. Step 6: Final answer
    x = 41,644.84

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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.