Home / 145,048.14-217,582.74-60,723.49

Finding the Fourth Proportional to 145,048.14, 217,582.74 and 60,723.49

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Solution

The fourth proportional to 145,048.14, 217,582.74 and 60,723.49 is: 91,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,048.14 : 217,582.74 = 60,723.49 : x
  2. Step 2: Convert to fraction form
    145,048.14/217,582.74 = 60,723.49/x
  3. Step 3: Cross multiply
    145,048.14x = 217,582.74 × 60,723.49
  4. Step 4: Simplify right side
    145,048.14x = 13,212,383,336.56
  5. Step 5: Solve for x
    x = 13,212,383,336.56/145,048.14
  6. Step 6: Final answer
    x = 91,089.64

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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.