Home / 55,768.91-76,961.16-30,275.27

Finding the Fourth Proportional to 55,768.91, 76,961.16 and 30,275.27

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Solution

The fourth proportional to 55,768.91, 76,961.16 and 30,275.27 is: 41,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.91 : 76,961.16 = 30,275.27 : x
  2. Step 2: Convert to fraction form
    55,768.91/76,961.16 = 30,275.27/x
  3. Step 3: Cross multiply
    55,768.91x = 76,961.16 × 30,275.27
  4. Step 4: Simplify right side
    55,768.91x = 2,330,019,513.71
  5. Step 5: Solve for x
    x = 2,330,019,513.71/55,768.91
  6. Step 6: Final answer
    x = 41,779.90

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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.