Home / 40,780.92-61,088.34-37,378.92

Finding the Fourth Proportional to 40,780.92, 61,088.34 and 37,378.92

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Solution

The fourth proportional to 40,780.92, 61,088.34 and 37,378.92 is: 55,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.92 : 61,088.34 = 37,378.92 : x
  2. Step 2: Convert to fraction form
    40,780.92/61,088.34 = 37,378.92/x
  3. Step 3: Cross multiply
    40,780.92x = 61,088.34 × 37,378.92
  4. Step 4: Simplify right side
    40,780.92x = 2,283,416,173.79
  5. Step 5: Solve for x
    x = 2,283,416,173.79/40,780.92
  6. Step 6: Final answer
    x = 55,992.27

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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.