Home / 45,621.65-68,337.04-36,688.61

Finding the Fourth Proportional to 45,621.65, 68,337.04 and 36,688.61

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Solution

The fourth proportional to 45,621.65, 68,337.04 and 36,688.61 is: 54,956.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,621.65 : 68,337.04 = 36,688.61 : x
  2. Step 2: Convert to fraction form
    45,621.65/68,337.04 = 36,688.61/x
  3. Step 3: Cross multiply
    45,621.65x = 68,337.04 × 36,688.61
  4. Step 4: Simplify right side
    45,621.65x = 2,507,190,667.43
  5. Step 5: Solve for x
    x = 2,507,190,667.43/45,621.65
  6. Step 6: Final answer
    x = 54,956.17

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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.