Home / 126,030.94-173,885.36-75,002.76

Finding the Fourth Proportional to 126,030.94, 173,885.36 and 75,002.76

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Solution

The fourth proportional to 126,030.94, 173,885.36 and 75,002.76 is: 103,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,030.94 : 173,885.36 = 75,002.76 : x
  2. Step 2: Convert to fraction form
    126,030.94/173,885.36 = 75,002.76/x
  3. Step 3: Cross multiply
    126,030.94x = 173,885.36 × 75,002.76
  4. Step 4: Simplify right side
    126,030.94x = 13,041,881,923.59
  5. Step 5: Solve for x
    x = 13,041,881,923.59/126,030.94
  6. Step 6: Final answer
    x = 103,481.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.