Home / 115,151.63-172,727.45-44,981.74

Finding the Fourth Proportional to 115,151.63, 172,727.45 and 44,981.74

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Solution

The fourth proportional to 115,151.63, 172,727.45 and 44,981.74 is: 67,472.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.63 : 172,727.45 = 44,981.74 : x
  2. Step 2: Convert to fraction form
    115,151.63/172,727.45 = 44,981.74/x
  3. Step 3: Cross multiply
    115,151.63x = 172,727.45 × 44,981.74
  4. Step 4: Simplify right side
    115,151.63x = 7,769,581,246.76
  5. Step 5: Solve for x
    x = 7,769,581,246.76/115,151.63
  6. Step 6: Final answer
    x = 67,472.61

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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.