Home / 74,995.32-103,489.10-41,459.32

Finding the Fourth Proportional to 74,995.32, 103,489.10 and 41,459.32

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Solution

The fourth proportional to 74,995.32, 103,489.10 and 41,459.32 is: 57,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,995.32 : 103,489.10 = 41,459.32 : x
  2. Step 2: Convert to fraction form
    74,995.32/103,489.10 = 41,459.32/x
  3. Step 3: Cross multiply
    74,995.32x = 103,489.10 × 41,459.32
  4. Step 4: Simplify right side
    74,995.32x = 4,290,587,713.41
  5. Step 5: Solve for x
    x = 4,290,587,713.41/74,995.32
  6. Step 6: Final answer
    x = 57,211.41

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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.