Home / 80,457.57-111,039.66-44,647.83

Finding the Fourth Proportional to 80,457.57, 111,039.66 and 44,647.83

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Solution

The fourth proportional to 80,457.57, 111,039.66 and 44,647.83 is: 61,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.57 : 111,039.66 = 44,647.83 : x
  2. Step 2: Convert to fraction form
    80,457.57/111,039.66 = 44,647.83/x
  3. Step 3: Cross multiply
    80,457.57x = 111,039.66 × 44,647.83
  4. Step 4: Simplify right side
    80,457.57x = 4,957,679,862.94
  5. Step 5: Solve for x
    x = 4,957,679,862.94/80,457.57
  6. Step 6: Final answer
    x = 61,618.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.