Home / 126,409.56-189,669.66-59,897.16

Finding the Fourth Proportional to 126,409.56, 189,669.66 and 59,897.16

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Solution

The fourth proportional to 126,409.56, 189,669.66 and 59,897.16 is: 89,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,409.56 : 189,669.66 = 59,897.16 : x
  2. Step 2: Convert to fraction form
    126,409.56/189,669.66 = 59,897.16/x
  3. Step 3: Cross multiply
    126,409.56x = 189,669.66 × 59,897.16
  4. Step 4: Simplify right side
    126,409.56x = 11,360,673,972.17
  5. Step 5: Solve for x
    x = 11,360,673,972.17/126,409.56
  6. Step 6: Final answer
    x = 89,871.95

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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.