Home / 55,261.32-82,916.48-28,959.81

Finding the Fourth Proportional to 55,261.32, 82,916.48 and 28,959.81

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Solution

The fourth proportional to 55,261.32, 82,916.48 and 28,959.81 is: 43,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.32 : 82,916.48 = 28,959.81 : x
  2. Step 2: Convert to fraction form
    55,261.32/82,916.48 = 28,959.81/x
  3. Step 3: Cross multiply
    55,261.32x = 82,916.48 × 28,959.81
  4. Step 4: Simplify right side
    55,261.32x = 2,401,244,947.29
  5. Step 5: Solve for x
    x = 2,401,244,947.29/55,261.32
  6. Step 6: Final answer
    x = 43,452.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.