Home / 74,817.10-112,262.10-30,474.46

Finding the Fourth Proportional to 74,817.10, 112,262.10 and 30,474.46

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Solution

The fourth proportional to 74,817.10, 112,262.10 and 30,474.46 is: 45,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,817.10 : 112,262.10 = 30,474.46 : x
  2. Step 2: Convert to fraction form
    74,817.10/112,262.10 = 30,474.46/x
  3. Step 3: Cross multiply
    74,817.10x = 112,262.10 × 30,474.46
  4. Step 4: Simplify right side
    74,817.10x = 3,421,126,875.97
  5. Step 5: Solve for x
    x = 3,421,126,875.97/74,817.10
  6. Step 6: Final answer
    x = 45,726.54

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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.