Home / 115,127.08-172,682.19-36,263.86

Finding the Fourth Proportional to 115,127.08, 172,682.19 and 36,263.86

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Solution

The fourth proportional to 115,127.08, 172,682.19 and 36,263.86 is: 54,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,127.08 : 172,682.19 = 36,263.86 : x
  2. Step 2: Convert to fraction form
    115,127.08/172,682.19 = 36,263.86/x
  3. Step 3: Cross multiply
    115,127.08x = 172,682.19 × 36,263.86
  4. Step 4: Simplify right side
    115,127.08x = 6,262,122,762.65
  5. Step 5: Solve for x
    x = 6,262,122,762.65/115,127.08
  6. Step 6: Final answer
    x = 54,393.13

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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.