Home / 83,813.12-125,692.98-27,642.72

Finding the Fourth Proportional to 83,813.12, 125,692.98 and 27,642.72

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Solution

The fourth proportional to 83,813.12, 125,692.98 and 27,642.72 is: 41,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,813.12 : 125,692.98 = 27,642.72 : x
  2. Step 2: Convert to fraction form
    83,813.12/125,692.98 = 27,642.72/x
  3. Step 3: Cross multiply
    83,813.12x = 125,692.98 × 27,642.72
  4. Step 4: Simplify right side
    83,813.12x = 3,474,495,852.11
  5. Step 5: Solve for x
    x = 3,474,495,852.11/83,813.12
  6. Step 6: Final answer
    x = 41,455.27

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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.