Home / 72,962.86-109,246.89-37,828.66

Finding the Fourth Proportional to 72,962.86, 109,246.89 and 37,828.66

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Solution

The fourth proportional to 72,962.86, 109,246.89 and 37,828.66 is: 56,640.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,962.86 : 109,246.89 = 37,828.66 : x
  2. Step 2: Convert to fraction form
    72,962.86/109,246.89 = 37,828.66/x
  3. Step 3: Cross multiply
    72,962.86x = 109,246.89 × 37,828.66
  4. Step 4: Simplify right side
    72,962.86x = 4,132,663,457.87
  5. Step 5: Solve for x
    x = 4,132,663,457.87/72,962.86
  6. Step 6: Final answer
    x = 56,640.65

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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.