Home / 55,192.42-76,162.89-31,318.48

Finding the Fourth Proportional to 55,192.42, 76,162.89 and 31,318.48

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Solution

The fourth proportional to 55,192.42, 76,162.89 and 31,318.48 is: 43,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,192.42 : 76,162.89 = 31,318.48 : x
  2. Step 2: Convert to fraction form
    55,192.42/76,162.89 = 31,318.48/x
  3. Step 3: Cross multiply
    55,192.42x = 76,162.89 × 31,318.48
  4. Step 4: Simplify right side
    55,192.42x = 2,385,305,947.21
  5. Step 5: Solve for x
    x = 2,385,305,947.21/55,192.42
  6. Step 6: Final answer
    x = 43,218.00

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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.