Home / 48,074.48-72,120.04-21,429.96

Finding the Fourth Proportional to 48,074.48, 72,120.04 and 21,429.96

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Solution

The fourth proportional to 48,074.48, 72,120.04 and 21,429.96 is: 32,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,074.48 : 72,120.04 = 21,429.96 : x
  2. Step 2: Convert to fraction form
    48,074.48/72,120.04 = 21,429.96/x
  3. Step 3: Cross multiply
    48,074.48x = 72,120.04 × 21,429.96
  4. Step 4: Simplify right side
    48,074.48x = 1,545,529,572.40
  5. Step 5: Solve for x
    x = 1,545,529,572.40/48,074.48
  6. Step 6: Final answer
    x = 32,148.65

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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.