Home / 106,861.15-160,582.51-56,976.49

Finding the Fourth Proportional to 106,861.15, 160,582.51 and 56,976.49

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Solution

The fourth proportional to 106,861.15, 160,582.51 and 56,976.49 is: 85,619.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,861.15 : 160,582.51 = 56,976.49 : x
  2. Step 2: Convert to fraction form
    106,861.15/160,582.51 = 56,976.49/x
  3. Step 3: Cross multiply
    106,861.15x = 160,582.51 × 56,976.49
  4. Step 4: Simplify right side
    106,861.15x = 9,149,426,972.28
  5. Step 5: Solve for x
    x = 9,149,426,972.28/106,861.15
  6. Step 6: Final answer
    x = 85,619.77

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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.