Home / 65,519.76-90,416.52-37,224.84

Finding the Fourth Proportional to 65,519.76, 90,416.52 and 37,224.84

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Solution

The fourth proportional to 65,519.76, 90,416.52 and 37,224.84 is: 51,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,519.76 : 90,416.52 = 37,224.84 : x
  2. Step 2: Convert to fraction form
    65,519.76/90,416.52 = 37,224.84/x
  3. Step 3: Cross multiply
    65,519.76x = 90,416.52 × 37,224.84
  4. Step 4: Simplify right side
    65,519.76x = 3,365,740,490.36
  5. Step 5: Solve for x
    x = 3,365,740,490.36/65,519.76
  6. Step 6: Final answer
    x = 51,369.85

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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.