Home / 55,865.22-77,082.96-31,336.80

Finding the Fourth Proportional to 55,865.22, 77,082.96 and 31,336.80

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Solution

The fourth proportional to 55,865.22, 77,082.96 and 31,336.80 is: 43,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,865.22 : 77,082.96 = 31,336.80 : x
  2. Step 2: Convert to fraction form
    55,865.22/77,082.96 = 31,336.80/x
  3. Step 3: Cross multiply
    55,865.22x = 77,082.96 × 31,336.80
  4. Step 4: Simplify right side
    55,865.22x = 2,415,533,300.93
  5. Step 5: Solve for x
    x = 2,415,533,300.93/55,865.22
  6. Step 6: Final answer
    x = 43,238.59

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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.