Home / 82,919.83-114,445.70-57,754.75

Finding the Fourth Proportional to 82,919.83, 114,445.70 and 57,754.75

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Solution

The fourth proportional to 82,919.83, 114,445.70 and 57,754.75 is: 79,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919.83 : 114,445.70 = 57,754.75 : x
  2. Step 2: Convert to fraction form
    82,919.83/114,445.70 = 57,754.75/x
  3. Step 3: Cross multiply
    82,919.83x = 114,445.70 × 57,754.75
  4. Step 4: Simplify right side
    82,919.83x = 6,609,782,503.30
  5. Step 5: Solve for x
    x = 6,609,782,503.30/82,919.83
  6. Step 6: Final answer
    x = 79,712.93

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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.