Home / 83,666.77-115,459.91-50,132.77

Finding the Fourth Proportional to 83,666.77, 115,459.91 and 50,132.77

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Solution

The fourth proportional to 83,666.77, 115,459.91 and 50,132.77 is: 69,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,666.77 : 115,459.91 = 50,132.77 : x
  2. Step 2: Convert to fraction form
    83,666.77/115,459.91 = 50,132.77/x
  3. Step 3: Cross multiply
    83,666.77x = 115,459.91 × 50,132.77
  4. Step 4: Simplify right side
    83,666.77x = 5,788,324,861.59
  5. Step 5: Solve for x
    x = 5,788,324,861.59/83,666.77
  6. Step 6: Final answer
    x = 69,183.08

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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.