Home / 82,743.36-114,182.40-45,017.52

Finding the Fourth Proportional to 82,743.36, 114,182.40 and 45,017.52

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Solution

The fourth proportional to 82,743.36, 114,182.40 and 45,017.52 is: 62,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,743.36 : 114,182.40 = 45,017.52 : x
  2. Step 2: Convert to fraction form
    82,743.36/114,182.40 = 45,017.52/x
  3. Step 3: Cross multiply
    82,743.36x = 114,182.40 × 45,017.52
  4. Step 4: Simplify right side
    82,743.36x = 5,140,208,475.65
  5. Step 5: Solve for x
    x = 5,140,208,475.65/82,743.36
  6. Step 6: Final answer
    x = 62,122.31

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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.