Home / 74,830.88-112,213.28-28,050.96

Finding the Fourth Proportional to 74,830.88, 112,213.28 and 28,050.96

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Solution

The fourth proportional to 74,830.88, 112,213.28 and 28,050.96 is: 42,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,830.88 : 112,213.28 = 28,050.96 : x
  2. Step 2: Convert to fraction form
    74,830.88/112,213.28 = 28,050.96/x
  3. Step 3: Cross multiply
    74,830.88x = 112,213.28 × 28,050.96
  4. Step 4: Simplify right side
    74,830.88x = 3,147,690,228.75
  5. Step 5: Solve for x
    x = 3,147,690,228.75/74,830.88
  6. Step 6: Final answer
    x = 42,064.05

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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.