Home / 80,500.47-111,088.96-44,688.34

Finding the Fourth Proportional to 80,500.47, 111,088.96 and 44,688.34

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Solution

The fourth proportional to 80,500.47, 111,088.96 and 44,688.34 is: 61,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,500.47 : 111,088.96 = 44,688.34 : x
  2. Step 2: Convert to fraction form
    80,500.47/111,088.96 = 44,688.34/x
  3. Step 3: Cross multiply
    80,500.47x = 111,088.96 × 44,688.34
  4. Step 4: Simplify right side
    80,500.47x = 4,964,381,214.73
  5. Step 5: Solve for x
    x = 4,964,381,214.73/80,500.47
  6. Step 6: Final answer
    x = 61,668.97

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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.