Home / 126,660.63-189,990.79-60,064.43

Finding the Fourth Proportional to 126,660.63, 189,990.79 and 60,064.43

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Solution

The fourth proportional to 126,660.63, 189,990.79 and 60,064.43 is: 90,096.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,660.63 : 189,990.79 = 60,064.43 : x
  2. Step 2: Convert to fraction form
    126,660.63/189,990.79 = 60,064.43/x
  3. Step 3: Cross multiply
    126,660.63x = 189,990.79 × 60,064.43
  4. Step 4: Simplify right side
    126,660.63x = 11,411,688,506.60
  5. Step 5: Solve for x
    x = 11,411,688,506.60/126,660.63
  6. Step 6: Final answer
    x = 90,096.57

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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.