Home / 115,234.91-172,857.86-56,000.01

Finding the Fourth Proportional to 115,234.91, 172,857.86 and 56,000.01

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Solution

The fourth proportional to 115,234.91, 172,857.86 and 56,000.01 is: 84,002.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,234.91 : 172,857.86 = 56,000.01 : x
  2. Step 2: Convert to fraction form
    115,234.91/172,857.86 = 56,000.01/x
  3. Step 3: Cross multiply
    115,234.91x = 172,857.86 × 56,000.01
  4. Step 4: Simplify right side
    115,234.91x = 9,680,041,888.58
  5. Step 5: Solve for x
    x = 9,680,041,888.58/115,234.91
  6. Step 6: Final answer
    x = 84,002.69

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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.