Home / 74,773.46-112,155.79-28,022.42

Finding the Fourth Proportional to 74,773.46, 112,155.79 and 28,022.42

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Solution

The fourth proportional to 74,773.46, 112,155.79 and 28,022.42 is: 42,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,773.46 : 112,155.79 = 28,022.42 : x
  2. Step 2: Convert to fraction form
    74,773.46/112,155.79 = 28,022.42/x
  3. Step 3: Cross multiply
    74,773.46x = 112,155.79 × 28,022.42
  4. Step 4: Simplify right side
    74,773.46x = 3,142,876,652.81
  5. Step 5: Solve for x
    x = 3,142,876,652.81/74,773.46
  6. Step 6: Final answer
    x = 42,031.98

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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.