Home / 115,895.40-173,799.90-45,760.20

Finding the Fourth Proportional to 115,895.40, 173,799.90 and 45,760.20

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Solution

The fourth proportional to 115,895.40, 173,799.90 and 45,760.20 is: 68,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,895.40 : 173,799.90 = 45,760.20 : x
  2. Step 2: Convert to fraction form
    115,895.40/173,799.90 = 45,760.20/x
  3. Step 3: Cross multiply
    115,895.40x = 173,799.90 × 45,760.20
  4. Step 4: Simplify right side
    115,895.40x = 7,953,118,183.98
  5. Step 5: Solve for x
    x = 7,953,118,183.98/115,895.40
  6. Step 6: Final answer
    x = 68,623.24

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1.5x scale

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.