Home / 55,777.97-76,973.16-30,283.83

Finding the Fourth Proportional to 55,777.97, 76,973.16 and 30,283.83

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Solution

The fourth proportional to 55,777.97, 76,973.16 and 30,283.83 is: 41,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.97 : 76,973.16 = 30,283.83 : x
  2. Step 2: Convert to fraction form
    55,777.97/76,973.16 = 30,283.83/x
  3. Step 3: Cross multiply
    55,777.97x = 76,973.16 × 30,283.83
  4. Step 4: Simplify right side
    55,777.97x = 2,331,041,916.92
  5. Step 5: Solve for x
    x = 2,331,041,916.92/55,777.97
  6. Step 6: Final answer
    x = 41,791.45

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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.