Home / 74,308.40-111,493.86-46,251.92

Finding the Fourth Proportional to 74,308.40, 111,493.86 and 46,251.92

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Solution

The fourth proportional to 74,308.40, 111,493.86 and 46,251.92 is: 69,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,308.40 : 111,493.86 = 46,251.92 : x
  2. Step 2: Convert to fraction form
    74,308.40/111,493.86 = 46,251.92/x
  3. Step 3: Cross multiply
    74,308.40x = 111,493.86 × 46,251.92
  4. Step 4: Simplify right side
    74,308.40x = 5,156,805,093.21
  5. Step 5: Solve for x
    x = 5,156,805,093.21/74,308.40
  6. Step 6: Final answer
    x = 69,397.34

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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.