Home / 45,660.01-68,511.74-31,641.61

Finding the Fourth Proportional to 45,660.01, 68,511.74 and 31,641.61

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Solution

The fourth proportional to 45,660.01, 68,511.74 and 31,641.61 is: 47,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,660.01 : 68,511.74 = 31,641.61 : x
  2. Step 2: Convert to fraction form
    45,660.01/68,511.74 = 31,641.61/x
  3. Step 3: Cross multiply
    45,660.01x = 68,511.74 × 31,641.61
  4. Step 4: Simplify right side
    45,660.01x = 2,167,821,757.50
  5. Step 5: Solve for x
    x = 2,167,821,757.50/45,660.01
  6. Step 6: Final answer
    x = 47,477.47

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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.