Home / 74,761.23-112,113.90-30,373.03

Finding the Fourth Proportional to 74,761.23, 112,113.90 and 30,373.03

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Solution

The fourth proportional to 74,761.23, 112,113.90 and 30,373.03 is: 45,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.23 : 112,113.90 = 30,373.03 : x
  2. Step 2: Convert to fraction form
    74,761.23/112,113.90 = 30,373.03/x
  3. Step 3: Cross multiply
    74,761.23x = 112,113.90 × 30,373.03
  4. Step 4: Simplify right side
    74,761.23x = 3,405,238,567.83
  5. Step 5: Solve for x
    x = 3,405,238,567.83/74,761.23
  6. Step 6: Final answer
    x = 45,548.19

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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.