Home / 74,567.20-102,903.21-40,575.96

Finding the Fourth Proportional to 74,567.20, 102,903.21 and 40,575.96

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Solution

The fourth proportional to 74,567.20, 102,903.21 and 40,575.96 is: 55,995.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,567.20 : 102,903.21 = 40,575.96 : x
  2. Step 2: Convert to fraction form
    74,567.20/102,903.21 = 40,575.96/x
  3. Step 3: Cross multiply
    74,567.20x = 102,903.21 × 40,575.96
  4. Step 4: Simplify right side
    74,567.20x = 4,175,396,532.83
  5. Step 5: Solve for x
    x = 4,175,396,532.83/74,567.20
  6. Step 6: Final answer
    x = 55,995.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.