Home / 126,471.40-189,710.34-59,895.88

Finding the Fourth Proportional to 126,471.40, 189,710.34 and 59,895.88

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Solution

The fourth proportional to 126,471.40, 189,710.34 and 59,895.88 is: 89,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,471.40 : 189,710.34 = 59,895.88 : x
  2. Step 2: Convert to fraction form
    126,471.40/189,710.34 = 59,895.88/x
  3. Step 3: Cross multiply
    126,471.40x = 189,710.34 × 59,895.88
  4. Step 4: Simplify right side
    126,471.40x = 11,362,867,759.40
  5. Step 5: Solve for x
    x = 11,362,867,759.40/126,471.40
  6. Step 6: Final answer
    x = 89,845.35

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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.