Home / 115,427.10-173,011.05-48,855.90

Finding the Fourth Proportional to 115,427.10, 173,011.05 and 48,855.90

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Solution

The fourth proportional to 115,427.10, 173,011.05 and 48,855.90 is: 73,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.10 : 173,011.05 = 48,855.90 : x
  2. Step 2: Convert to fraction form
    115,427.10/173,011.05 = 48,855.90/x
  3. Step 3: Cross multiply
    115,427.10x = 173,011.05 × 48,855.90
  4. Step 4: Simplify right side
    115,427.10x = 8,452,610,557.70
  5. Step 5: Solve for x
    x = 8,452,610,557.70/115,427.10
  6. Step 6: Final answer
    x = 73,229.00

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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.