Home / 53,621.65-80,446.15-37,857.40

Finding the Fourth Proportional to 53,621.65, 80,446.15 and 37,857.40

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Solution

The fourth proportional to 53,621.65, 80,446.15 and 37,857.40 is: 56,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.65 : 80,446.15 = 37,857.40 : x
  2. Step 2: Convert to fraction form
    53,621.65/80,446.15 = 37,857.40/x
  3. Step 3: Cross multiply
    53,621.65x = 80,446.15 × 37,857.40
  4. Step 4: Simplify right side
    53,621.65x = 3,045,481,723.91
  5. Step 5: Solve for x
    x = 3,045,481,723.91/53,621.65
  6. Step 6: Final answer
    x = 56,795.75

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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.