Home / 48,342.70-72,708.45-43,288.30

Finding the Fourth Proportional to 48,342.70, 72,708.45 and 43,288.30

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Solution

The fourth proportional to 48,342.70, 72,708.45 and 43,288.30 is: 65,106.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,342.70 : 72,708.45 = 43,288.30 : x
  2. Step 2: Convert to fraction form
    48,342.70/72,708.45 = 43,288.30/x
  3. Step 3: Cross multiply
    48,342.70x = 72,708.45 × 43,288.30
  4. Step 4: Simplify right side
    48,342.70x = 3,147,425,196.14
  5. Step 5: Solve for x
    x = 3,147,425,196.14/48,342.70
  6. Step 6: Final answer
    x = 65,106.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.