Home / 126,123.21-189,090.04-59,525.42

Finding the Fourth Proportional to 126,123.21, 189,090.04 and 59,525.42

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Solution

The fourth proportional to 126,123.21, 189,090.04 and 59,525.42 is: 89,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,123.21 : 189,090.04 = 59,525.42 : x
  2. Step 2: Convert to fraction form
    126,123.21/189,090.04 = 59,525.42/x
  3. Step 3: Cross multiply
    126,123.21x = 189,090.04 × 59,525.42
  4. Step 4: Simplify right side
    126,123.21x = 11,255,664,048.82
  5. Step 5: Solve for x
    x = 11,255,664,048.82/126,123.21
  6. Step 6: Final answer
    x = 89,243.40

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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.