Home / 115,426.40-173,204.40-48,855.20

Finding the Fourth Proportional to 115,426.40, 173,204.40 and 48,855.20

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Solution

The fourth proportional to 115,426.40, 173,204.40 and 48,855.20 is: 73,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,426.40 : 173,204.40 = 48,855.20 : x
  2. Step 2: Convert to fraction form
    115,426.40/173,204.40 = 48,855.20/x
  3. Step 3: Cross multiply
    115,426.40x = 173,204.40 × 48,855.20
  4. Step 4: Simplify right side
    115,426.40x = 8,461,935,602.88
  5. Step 5: Solve for x
    x = 8,461,935,602.88/115,426.40
  6. Step 6: Final answer
    x = 73,310.23

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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.