Home / 74,918.34-112,377.11-30,544.92

Finding the Fourth Proportional to 74,918.34, 112,377.11 and 30,544.92

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Solution

The fourth proportional to 74,918.34, 112,377.11 and 30,544.92 is: 45,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.34 : 112,377.11 = 30,544.92 : x
  2. Step 2: Convert to fraction form
    74,918.34/112,377.11 = 30,544.92/x
  3. Step 3: Cross multiply
    74,918.34x = 112,377.11 × 30,544.92
  4. Step 4: Simplify right side
    74,918.34x = 3,432,549,682.06
  5. Step 5: Solve for x
    x = 3,432,549,682.06/74,918.34
  6. Step 6: Final answer
    x = 45,817.21

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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.