Home / 91,454.40-126,190.17-51,168.51

Finding the Fourth Proportional to 91,454.40, 126,190.17 and 51,168.51

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Solution

The fourth proportional to 91,454.40, 126,190.17 and 51,168.51 is: 70,603.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,454.40 : 126,190.17 = 51,168.51 : x
  2. Step 2: Convert to fraction form
    91,454.40/126,190.17 = 51,168.51/x
  3. Step 3: Cross multiply
    91,454.40x = 126,190.17 × 51,168.51
  4. Step 4: Simplify right side
    91,454.40x = 6,456,962,975.55
  5. Step 5: Solve for x
    x = 6,456,962,975.55/91,454.40
  6. Step 6: Final answer
    x = 70,603.09

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1.5x scale

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.