Home / 74,501.80-111,720.30-24,562.60

Finding the Fourth Proportional to 74,501.80, 111,720.30 and 24,562.60

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Solution

The fourth proportional to 74,501.80, 111,720.30 and 24,562.60 is: 36,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,501.80 : 111,720.30 = 24,562.60 : x
  2. Step 2: Convert to fraction form
    74,501.80/111,720.30 = 24,562.60/x
  3. Step 3: Cross multiply
    74,501.80x = 111,720.30 × 24,562.60
  4. Step 4: Simplify right side
    74,501.80x = 2,744,141,040.78
  5. Step 5: Solve for x
    x = 2,744,141,040.78/74,501.80
  6. Step 6: Final answer
    x = 36,833.22

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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.