Home / 55,930.17-77,166.26-31,727.15

Finding the Fourth Proportional to 55,930.17, 77,166.26 and 31,727.15

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Solution

The fourth proportional to 55,930.17, 77,166.26 and 31,727.15 is: 43,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.17 : 77,166.26 = 31,727.15 : x
  2. Step 2: Convert to fraction form
    55,930.17/77,166.26 = 31,727.15/x
  3. Step 3: Cross multiply
    55,930.17x = 77,166.26 × 31,727.15
  4. Step 4: Simplify right side
    55,930.17x = 2,448,265,369.84
  5. Step 5: Solve for x
    x = 2,448,265,369.84/55,930.17
  6. Step 6: Final answer
    x = 43,773.61

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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.