Home / 91,850.77-126,761.39-51,567.18

Finding the Fourth Proportional to 91,850.77, 126,761.39 and 51,567.18

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Solution

The fourth proportional to 91,850.77, 126,761.39 and 51,567.18 is: 71,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,850.77 : 126,761.39 = 51,567.18 : x
  2. Step 2: Convert to fraction form
    91,850.77/126,761.39 = 51,567.18/x
  3. Step 3: Cross multiply
    91,850.77x = 126,761.39 × 51,567.18
  4. Step 4: Simplify right side
    91,850.77x = 6,536,727,415.18
  5. Step 5: Solve for x
    x = 6,536,727,415.18/91,850.77
  6. Step 6: Final answer
    x = 71,166.82

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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.