Home / 55,194.49-76,166.13-31,320.73

Finding the Fourth Proportional to 55,194.49, 76,166.13 and 31,320.73

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Solution

The fourth proportional to 55,194.49, 76,166.13 and 31,320.73 is: 43,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,194.49 : 76,166.13 = 31,320.73 : x
  2. Step 2: Convert to fraction form
    55,194.49/76,166.13 = 31,320.73/x
  3. Step 3: Cross multiply
    55,194.49x = 76,166.13 × 31,320.73
  4. Step 4: Simplify right side
    55,194.49x = 2,385,578,792.87
  5. Step 5: Solve for x
    x = 2,385,578,792.87/55,194.49
  6. Step 6: Final answer
    x = 43,221.32

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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.