Home / 55,950.72-77,221.38-35,806.64

Finding the Fourth Proportional to 55,950.72, 77,221.38 and 35,806.64

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Solution

The fourth proportional to 55,950.72, 77,221.38 and 35,806.64 is: 49,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950.72 : 77,221.38 = 35,806.64 : x
  2. Step 2: Convert to fraction form
    55,950.72/77,221.38 = 35,806.64/x
  3. Step 3: Cross multiply
    55,950.72x = 77,221.38 × 35,806.64
  4. Step 4: Simplify right side
    55,950.72x = 2,765,037,767.86
  5. Step 5: Solve for x
    x = 2,765,037,767.86/55,950.72
  6. Step 6: Final answer
    x = 49,419.16

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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.