Home / 102,285.66-141,171.03-64,059.69

Finding the Fourth Proportional to 102,285.66, 141,171.03 and 64,059.69

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Solution

The fourth proportional to 102,285.66, 141,171.03 and 64,059.69 is: 88,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,285.66 : 141,171.03 = 64,059.69 : x
  2. Step 2: Convert to fraction form
    102,285.66/141,171.03 = 64,059.69/x
  3. Step 3: Cross multiply
    102,285.66x = 141,171.03 × 64,059.69
  4. Step 4: Simplify right side
    102,285.66x = 9,043,372,418.78
  5. Step 5: Solve for x
    x = 9,043,372,418.78/102,285.66
  6. Step 6: Final answer
    x = 88,412.91

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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.