Home / 55,285.26-82,868.76-31,541.64

Finding the Fourth Proportional to 55,285.26, 82,868.76 and 31,541.64

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Solution

The fourth proportional to 55,285.26, 82,868.76 and 31,541.64 is: 47,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,285.26 : 82,868.76 = 31,541.64 : x
  2. Step 2: Convert to fraction form
    55,285.26/82,868.76 = 31,541.64/x
  3. Step 3: Cross multiply
    55,285.26x = 82,868.76 × 31,541.64
  4. Step 4: Simplify right side
    55,285.26x = 2,613,816,595.17
  5. Step 5: Solve for x
    x = 2,613,816,595.17/55,285.26
  6. Step 6: Final answer
    x = 47,278.72

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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.