Home / 126,473.03-174,542.74-72,027.52

Finding the Fourth Proportional to 126,473.03, 174,542.74 and 72,027.52

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Solution

The fourth proportional to 126,473.03, 174,542.74 and 72,027.52 is: 99,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.03 : 174,542.74 = 72,027.52 : x
  2. Step 2: Convert to fraction form
    126,473.03/174,542.74 = 72,027.52/x
  3. Step 3: Cross multiply
    126,473.03x = 174,542.74 × 72,027.52
  4. Step 4: Simplify right side
    126,473.03x = 12,571,880,188.84
  5. Step 5: Solve for x
    x = 12,571,880,188.84/126,473.03
  6. Step 6: Final answer
    x = 99,403.64

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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.