Home / 82,675.78-114,116.86-53,999.83

Finding the Fourth Proportional to 82,675.78, 114,116.86 and 53,999.83

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Solution

The fourth proportional to 82,675.78, 114,116.86 and 53,999.83 is: 74,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675.78 : 114,116.86 = 53,999.83 : x
  2. Step 2: Convert to fraction form
    82,675.78/114,116.86 = 53,999.83/x
  3. Step 3: Cross multiply
    82,675.78x = 114,116.86 × 53,999.83
  4. Step 4: Simplify right side
    82,675.78x = 6,162,291,040.13
  5. Step 5: Solve for x
    x = 6,162,291,040.13/82,675.78
  6. Step 6: Final answer
    x = 74,535.63

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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.