Home / 56,562.75-78,063.48-32,689.62

Finding the Fourth Proportional to 56,562.75, 78,063.48 and 32,689.62

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Solution

The fourth proportional to 56,562.75, 78,063.48 and 32,689.62 is: 45,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,562.75 : 78,063.48 = 32,689.62 : x
  2. Step 2: Convert to fraction form
    56,562.75/78,063.48 = 32,689.62/x
  3. Step 3: Cross multiply
    56,562.75x = 78,063.48 × 32,689.62
  4. Step 4: Simplify right side
    56,562.75x = 2,551,865,497.08
  5. Step 5: Solve for x
    x = 2,551,865,497.08/56,562.75
  6. Step 6: Final answer
    x = 45,115.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.