Home / 48,211.12-72,285.72-23,218.48

Finding the Fourth Proportional to 48,211.12, 72,285.72 and 23,218.48

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Solution

The fourth proportional to 48,211.12, 72,285.72 and 23,218.48 is: 34,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,211.12 : 72,285.72 = 23,218.48 : x
  2. Step 2: Convert to fraction form
    48,211.12/72,285.72 = 23,218.48/x
  3. Step 3: Cross multiply
    48,211.12x = 72,285.72 × 23,218.48
  4. Step 4: Simplify right side
    48,211.12x = 1,678,364,544.11
  5. Step 5: Solve for x
    x = 1,678,364,544.11/48,211.12
  6. Step 6: Final answer
    x = 34,812.81

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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.