Home / 93,065.13-139,245.42-55,134.76

Finding the Fourth Proportional to 93,065.13, 139,245.42 and 55,134.76

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Solution

The fourth proportional to 93,065.13, 139,245.42 and 55,134.76 is: 82,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,065.13 : 139,245.42 = 55,134.76 : x
  2. Step 2: Convert to fraction form
    93,065.13/139,245.42 = 55,134.76/x
  3. Step 3: Cross multiply
    93,065.13x = 139,245.42 × 55,134.76
  4. Step 4: Simplify right side
    93,065.13x = 7,677,262,812.80
  5. Step 5: Solve for x
    x = 7,677,262,812.80/93,065.13
  6. Step 6: Final answer
    x = 82,493.44

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1.5x scale

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.