Home / 74,092.08-111,134.18-20,787.74

Finding the Fourth Proportional to 74,092.08, 111,134.18 and 20,787.74

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Solution

The fourth proportional to 74,092.08, 111,134.18 and 20,787.74 is: 31,180.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,092.08 : 111,134.18 = 20,787.74 : x
  2. Step 2: Convert to fraction form
    74,092.08/111,134.18 = 20,787.74/x
  3. Step 3: Cross multiply
    74,092.08x = 111,134.18 × 20,787.74
  4. Step 4: Simplify right side
    74,092.08x = 2,310,227,779.34
  5. Step 5: Solve for x
    x = 2,310,227,779.34/74,092.08
  6. Step 6: Final answer
    x = 31,180.50

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1.5x scale

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.