Home / 76,187.38-105,144.54-43,932.37

Finding the Fourth Proportional to 76,187.38, 105,144.54 and 43,932.37

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Solution

The fourth proportional to 76,187.38, 105,144.54 and 43,932.37 is: 60,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.38 : 105,144.54 = 43,932.37 : x
  2. Step 2: Convert to fraction form
    76,187.38/105,144.54 = 43,932.37/x
  3. Step 3: Cross multiply
    76,187.38x = 105,144.54 × 43,932.37
  4. Step 4: Simplify right side
    76,187.38x = 4,619,248,834.76
  5. Step 5: Solve for x
    x = 4,619,248,834.76/76,187.38
  6. Step 6: Final answer
    x = 60,630.10

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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.