Home / 82,780.75-114,237.44-45,055.27

Finding the Fourth Proportional to 82,780.75, 114,237.44 and 45,055.27

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Solution

The fourth proportional to 82,780.75, 114,237.44 and 45,055.27 is: 62,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780.75 : 114,237.44 = 45,055.27 : x
  2. Step 2: Convert to fraction form
    82,780.75/114,237.44 = 45,055.27/x
  3. Step 3: Cross multiply
    82,780.75x = 114,237.44 × 45,055.27
  4. Step 4: Simplify right side
    82,780.75x = 5,146,998,703.31
  5. Step 5: Solve for x
    x = 5,146,998,703.31/82,780.75
  6. Step 6: Final answer
    x = 62,176.28

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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.