Home / 115,270.72-172,864.49-48,716

Finding the Fourth Proportional to 115,270.72, 172,864.49 and 48,716

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Solution

The fourth proportional to 115,270.72, 172,864.49 and 48,716 is: 73,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,270.72 : 172,864.49 = 48,716 : x
  2. Step 2: Convert to fraction form
    115,270.72/172,864.49 = 48,716/x
  3. Step 3: Cross multiply
    115,270.72x = 172,864.49 × 48,716
  4. Step 4: Simplify right side
    115,270.72x = 8,421,266,494.84
  5. Step 5: Solve for x
    x = 8,421,266,494.84/115,270.72
  6. Step 6: Final answer
    x = 73,056.42

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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.