Home / 126,405.48-189,534.84-59,845.04

Finding the Fourth Proportional to 126,405.48, 189,534.84 and 59,845.04

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Solution

The fourth proportional to 126,405.48, 189,534.84 and 59,845.04 is: 89,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,405.48 : 189,534.84 = 59,845.04 : x
  2. Step 2: Convert to fraction form
    126,405.48/189,534.84 = 59,845.04/x
  3. Step 3: Cross multiply
    126,405.48x = 189,534.84 × 59,845.04
  4. Step 4: Simplify right side
    126,405.48x = 11,342,720,081.19
  5. Step 5: Solve for x
    x = 11,342,720,081.19/126,405.48
  6. Step 6: Final answer
    x = 89,732.82

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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.