Home / 115,783.72-173,670.28-48,287.88

Finding the Fourth Proportional to 115,783.72, 173,670.28 and 48,287.88

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Solution

The fourth proportional to 115,783.72, 173,670.28 and 48,287.88 is: 72,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,783.72 : 173,670.28 = 48,287.88 : x
  2. Step 2: Convert to fraction form
    115,783.72/173,670.28 = 48,287.88/x
  3. Step 3: Cross multiply
    115,783.72x = 173,670.28 × 48,287.88
  4. Step 4: Simplify right side
    115,783.72x = 8,386,169,640.21
  5. Step 5: Solve for x
    x = 8,386,169,640.21/115,783.72
  6. Step 6: Final answer
    x = 72,429.61

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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.