Home / 87,823.96-131,623.12-45,698.24

Finding the Fourth Proportional to 87,823.96, 131,623.12 and 45,698.24

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Solution

The fourth proportional to 87,823.96, 131,623.12 and 45,698.24 is: 68,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,823.96 : 131,623.12 = 45,698.24 : x
  2. Step 2: Convert to fraction form
    87,823.96/131,623.12 = 45,698.24/x
  3. Step 3: Cross multiply
    87,823.96x = 131,623.12 × 45,698.24
  4. Step 4: Simplify right side
    87,823.96x = 6,014,944,927.31
  5. Step 5: Solve for x
    x = 6,014,944,927.31/87,823.96
  6. Step 6: Final answer
    x = 68,488.66

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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.