Home / 126,409.81-189,670.04-59,897.41

Finding the Fourth Proportional to 126,409.81, 189,670.04 and 59,897.41

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Solution

The fourth proportional to 126,409.81, 189,670.04 and 59,897.41 is: 89,872.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,409.81 : 189,670.04 = 59,897.41 : x
  2. Step 2: Convert to fraction form
    126,409.81/189,670.04 = 59,897.41/x
  3. Step 3: Cross multiply
    126,409.81x = 189,670.04 × 59,897.41
  4. Step 4: Simplify right side
    126,409.81x = 11,360,743,851.11
  5. Step 5: Solve for x
    x = 11,360,743,851.11/126,409.81
  6. Step 6: Final answer
    x = 89,872.33

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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.