Home / 115,266.49-172,858.12-48,711.76

Finding the Fourth Proportional to 115,266.49, 172,858.12 and 48,711.76

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Solution

The fourth proportional to 115,266.49, 172,858.12 and 48,711.76 is: 73,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,266.49 : 172,858.12 = 48,711.76 : x
  2. Step 2: Convert to fraction form
    115,266.49/172,858.12 = 48,711.76/x
  3. Step 3: Cross multiply
    115,266.49x = 172,858.12 × 48,711.76
  4. Step 4: Simplify right side
    115,266.49x = 8,420,223,255.49
  5. Step 5: Solve for x
    x = 8,420,223,255.49/115,266.49
  6. Step 6: Final answer
    x = 73,050.05

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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.