Home / 55,686.06-76,845.90-30,191.91

Finding the Fourth Proportional to 55,686.06, 76,845.90 and 30,191.91

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Solution

The fourth proportional to 55,686.06, 76,845.90 and 30,191.91 is: 41,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.06 : 76,845.90 = 30,191.91 : x
  2. Step 2: Convert to fraction form
    55,686.06/76,845.90 = 30,191.91/x
  3. Step 3: Cross multiply
    55,686.06x = 76,845.90 × 30,191.91
  4. Step 4: Simplify right side
    55,686.06x = 2,320,124,496.67
  5. Step 5: Solve for x
    x = 2,320,124,496.67/55,686.06
  6. Step 6: Final answer
    x = 41,664.37

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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.