Home / 74,872.48-112,286.76-61,692.16

Finding the Fourth Proportional to 74,872.48, 112,286.76 and 61,692.16

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Solution

The fourth proportional to 74,872.48, 112,286.76 and 61,692.16 is: 92,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,872.48 : 112,286.76 = 61,692.16 : x
  2. Step 2: Convert to fraction form
    74,872.48/112,286.76 = 61,692.16/x
  3. Step 3: Cross multiply
    74,872.48x = 112,286.76 × 61,692.16
  4. Step 4: Simplify right side
    74,872.48x = 6,927,212,763.80
  5. Step 5: Solve for x
    x = 6,927,212,763.80/74,872.48
  6. Step 6: Final answer
    x = 92,520.15

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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.