Home / 74,774.43-112,182.83-30,433.01

Finding the Fourth Proportional to 74,774.43, 112,182.83 and 30,433.01

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Solution

The fourth proportional to 74,774.43, 112,182.83 and 30,433.01 is: 45,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,774.43 : 112,182.83 = 30,433.01 : x
  2. Step 2: Convert to fraction form
    74,774.43/112,182.83 = 30,433.01/x
  3. Step 3: Cross multiply
    74,774.43x = 112,182.83 × 30,433.01
  4. Step 4: Simplify right side
    74,774.43x = 3,414,060,702.39
  5. Step 5: Solve for x
    x = 3,414,060,702.39/74,774.43
  6. Step 6: Final answer
    x = 45,658.13

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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.