Home / 126,571.16-174,671.70-69,984.56

Finding the Fourth Proportional to 126,571.16, 174,671.70 and 69,984.56

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Solution

The fourth proportional to 126,571.16, 174,671.70 and 69,984.56 is: 96,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,571.16 : 174,671.70 = 69,984.56 : x
  2. Step 2: Convert to fraction form
    126,571.16/174,671.70 = 69,984.56/x
  3. Step 3: Cross multiply
    126,571.16x = 174,671.70 × 69,984.56
  4. Step 4: Simplify right side
    126,571.16x = 12,224,322,068.95
  5. Step 5: Solve for x
    x = 12,224,322,068.95/126,571.16
  6. Step 6: Final answer
    x = 96,580.63

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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.