Home / 102,540.06-153,809.18-32,419.40

Finding the Fourth Proportional to 102,540.06, 153,809.18 and 32,419.40

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Solution

The fourth proportional to 102,540.06, 153,809.18 and 32,419.40 is: 48,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540.06 : 153,809.18 = 32,419.40 : x
  2. Step 2: Convert to fraction form
    102,540.06/153,809.18 = 32,419.40/x
  3. Step 3: Cross multiply
    102,540.06x = 153,809.18 × 32,419.40
  4. Step 4: Simplify right side
    102,540.06x = 4,986,401,330.09
  5. Step 5: Solve for x
    x = 4,986,401,330.09/102,540.06
  6. Step 6: Final answer
    x = 48,628.81

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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.