Home / 115,216.52-172,892.80-48,652.32

Finding the Fourth Proportional to 115,216.52, 172,892.80 and 48,652.32

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Solution

The fourth proportional to 115,216.52, 172,892.80 and 48,652.32 is: 73,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,216.52 : 172,892.80 = 48,652.32 : x
  2. Step 2: Convert to fraction form
    115,216.52/172,892.80 = 48,652.32/x
  3. Step 3: Cross multiply
    115,216.52x = 172,892.80 × 48,652.32
  4. Step 4: Simplify right side
    115,216.52x = 8,411,635,831.30
  5. Step 5: Solve for x
    x = 8,411,635,831.30/115,216.52
  6. Step 6: Final answer
    x = 73,007.20

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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.